<div class='sk_custom_menu'><span class='sk_side_menu_heading'>View Products</span><div class="menu-productennavigatieside-engels-container"><ul id="menu-productennavigatieside-engels" class=""><li id="menu-item-22413" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-22413"><a target="_blank" href="https://portal.straaltechniek.net/en"><span style="color:#009fe3; font-weight: 400">Machine portal</span> <span style="font-size: 10px; background-color: #ff8a00; font-weight: 500; text-transform: uppercase; color: #ffffff; padding: 4px;">New</span></a></li>
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	<li id="menu-item-19532" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-19532"><a href="https://straaltechniek.net/en/blasting-cabinets/injection-blast-cabinet-sk900/">Injection blast cabinet SK900</a></li>
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	<li id="menu-item-19535" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-19535"><a href="https://straaltechniek.net/en/blasting-cabinets/blasting-machine-rotary-basket/">Blasting machine with rotary basket</a></li>
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	<li id="menu-item-19616" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-19616"><a href="https://straaltechniek.net/en/blastwizard-blast-pots/">BlastWizard blast pots</a></li>
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<li id="menu-item-19640" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-19640"><a href="https://straaltechniek.net/en/big-blasting-halls/" aria-haspopup="true" aria-expanded="false">Big blasting halls</a>
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<li id="menu-item-19719" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-19719"><a href="https://straaltechniek.net/en/wheel-blasting/" aria-haspopup="true" aria-expanded="false">Wheelblasting</a>
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		<li id="menu-item-21074" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-21074"><a href="https://straaltechniek.net/en/wheelblasting-machines/spinner-hanger-blast-machines/">Spinner hanger</a></li>
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<li id="menu-item-19724" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-19724"><a href="https://straaltechniek.net/en/metallisation/">Metallisation equipment</a></li>
<li id="menu-item-19731" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-19731"><a href="https://straaltechniek.net/en/blasting-grit/">Blasting media</a></li>
<li id="menu-item-20153" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-20153"><a href="https://straaltechniek.net/en/dust-collectors/">Dust collectors</a></li>
<li id="menu-item-20154" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-20154"><a href="https://straaltechniek.net/en/dehumidifiers/">Dehumidifiers</a></li>
<li id="menu-item-22210" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-22210"><a href="https://straaltechniek.net/en/custom-blast-cabinets/blasting-with-compressed-air/">Blasting with compressed air</a></li>
<li id="menu-item-20155" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-20155"><a href="https://straaltechniek.net/en/suction-units/">Suction units</a></li>
<li id="menu-item-21522" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-21522"><a href="https://straaltechniek.net/en/blazwizard-blast-helmets/">Blastwizard Blast Helmets</a></li>
<li id="menu-item-20336" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-20336"><a href="https://straaltechniek.net/en/references/">References</a></li>
<li id="menu-item-20463" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-20463"><a href="https://straaltechniek.net/en/shot-peening-and-blasting-knowledge/"><span class="Hoofdstuk">Blasting Knowledge</span></a></li>
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.child_column:has(.st-kaart-titel){margin-bottom:40px!important}}\n<\/style>\n<p>Which blasting grit gives the best result on your workpiece, in your installation? Straaltechniek International supplies all types of blasting grit and abrasive blasting media, advises on the right combination of grit, grain size and blasting process, and tests this in advance in our own blasting lab.<\/p>\n[\/vc_column_text][vc_column_text]\n<div class=\"st-toc\">\n<p>On this page<\/p>\n<ol>\n<li><a href=\"#wat-is-straalgrit\">What is blasting grit?<\/a><\/li>\n<li><a href=\"#welk-straalgrit-voor-welke-toepassing\">Which blasting grit for which application?<\/a><\/li>\n<li><a href=\"#straalgrit-als-voorbehandeling-voor-coating-roes\">Surface preparation for coating<\/a><\/li>\n<li><a href=\"#korrelgrootte-en-ruwheid-het-juiste-ankerprofiel\">Grain size and roughness<\/a><\/li>\n<li><a href=\"#soorten-straalgrit\">Types of blasting grit<\/a><\/li>\n<li><a href=\"#ronde-en-zachte-straalmiddelen-geen-grit\">Round and soft blasting media (not grit)<\/a><\/li>\n<li><a href=\"#straalgrit-vergelijken-vorm-hardheid-en-hergebru\">Comparing blasting grit: shape, hardness and reuse<\/a><\/li>\n<li><a href=\"#eenmalige-straalmiddelen-smeltslak-calciumsilica\">Single-use abrasives<\/a><\/li>\n<li><a href=\"#straalgrit-hergebruiken-reken-per-m2-niet-per-ki\">Reuse and cost per m\u00b2<\/a><\/li>\n<li><a href=\"#werkdruk-luchtverbruik-en-straalpijp\">Working pressure, air consumption and nozzle<\/a><\/li>\n<li><a href=\"#stof-afzuiging-en-reiniging-van-straalgrit\">Dust and extraction<\/a><\/li>\n<li><a href=\"#testen-in-ons-eigen-straallab\">Testing in our own blasting lab<\/a><\/li>\n<li><a href=\"#veelgestelde-vragen-over-straalgrit\">Frequently asked questions about blasting grit<\/a><\/li>\n<\/ol>\n<\/div>\n[\/vc_column_text][vc_column_text]\n<h2 class=\"st-kop\" id=\"wat-is-straalgrit\">What is blasting grit?<\/h2>\n[\/vc_column_text][vc_column_text]\n<p>Blasting grit is an angular, sharp-edged abrasive that is propelled against a surface by compressed air or a blast wheel in order to clean, derust, strip paint or roughen it. Its sharp edges cut into the surface and create a roughness profile to which paint, powder coating or thermal spray metallising can adhere. In everyday language this is still often called sandblasting, but real sand is no longer used: in the Netherlands it has been banned since the 1957 Sandblasting Decree.<\/p>\n<p>The opposite of grit is shot: round particles that do not cut the surface but compact it. You use shot for a smooth finish or for shot peening. This page covers both, because the choice between grit and shot is the first step in every blasting process.<\/p>\n[\/vc_column_text][vc_column_text]\n<h2 class=\"st-kop\" id=\"welk-straalgrit-voor-welke-toepassing\">Which blasting grit for which application?<\/h2>\n[\/vc_column_text][vc_column_text]\n<p>The choice depends on three things: the material of the workpiece, the result you want to achieve and the installation in which the grit is used. The table shows the most common combinations. Not sure? We test it in advance on your own workpieces.<\/p>\n<div class=\"st-tabel-wrap\">\n<table class=\"st-tabel\">\n<thead>\n<tr>\n<th>Workpiece \/ objective<\/th>\n<th>Recommended blasting grit or abrasive<\/th>\n<th>Why<\/th>\n<th>Suitable installation<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Derusting steel, removing mill scale and old paint (rust grade C-D)<\/td>\n<td>Steel grit, chilled iron grit; with compressed air also brown corundum<\/td>\n<td>Hard and angular, cuts through rust and mill scale<\/td>\n<td>Wheel blast machine with <a href=\"https:\/\/straaltechniek.net\/en\/gn-wheel\/\">GN Wheel\u00ae<\/a> (metallic grit), blast room, blast pot<\/td>\n<\/tr>\n<tr>\n<td>Roughening steel for coating (Sa 2\u00bd, anchor profile)<\/td>\n<td>Steel grit, chilled iron grit, brown corundum, garnet<\/td>\n<td>Even roughness profile, adjustable through grain size<\/td>\n<td>Blast room, blasting hall, blast pot; corundum only in compressed air installations<\/td>\n<\/tr>\n<tr>\n<td>Roughening steel for metallisation<\/td>\n<td>Steel grit or chilled iron grit, pure and clean<\/td>\n<td>Metallisation requires a sharp anchor profile and a grease- and dust-free surface: only pure, clean grit gives the adhesion needed<\/td>\n<td>Blast room or blasting hall with abrasive cleaner; see <a href=\"https:\/\/straaltechniek.net\/en\/metallisation\/\">metallisation<\/a><\/td>\n<\/tr>\n<tr>\n<td>Cleaning or roughening stainless steel<\/td>\n<td>Stainless steel grit (Stelux CG), white corundum, glass beads<\/td>\n<td>Iron-free: no subsequent rust formation or contamination<\/td>\n<td>Blast room, blast cabinet, wheel blast machine<\/td>\n<\/tr>\n<tr>\n<td>Aluminium and non-ferrous metals<\/td>\n<td>White corundum, glass beads, ceramic beads<\/td>\n<td>No iron contamination, preserves the light-coloured surface<\/td>\n<td>Blast cabinet, blast room<\/td>\n<\/tr>\n<tr>\n<td>Deburring and cleaning castings<\/td>\n<td>Steel grit, steel shot<\/td>\n<td>Removes sand and casting residues, high throughput<\/td>\n<td>Wheel blast machine with <a href=\"https:\/\/straaltechniek.net\/en\/gn-wheel\/\">GN Wheel\u00ae<\/a> (hanger, turntable, tumble)<\/td>\n<\/tr>\n<tr>\n<td>Smooth, matt or decorative surface<\/td>\n<td>Glass beads, ceramic beads<\/td>\n<td>Round grain, polishes without material loss<\/td>\n<td>Blast cabinet<\/td>\n<\/tr>\n<tr>\n<td>Shot peening (resistance to metal fatigue)<\/td>\n<td>Steel shot, stainless steel shot, glass beads, ceramic beads<\/td>\n<td>Round and uniform, compacts the surface<\/td>\n<td>Shot peening installation<\/td>\n<\/tr>\n<tr>\n<td>Delicate parts: thin-walled aluminium, plastics, moulds<\/td>\n<td>Plastic media, walnut shells<\/td>\n<td>Soft, removes paint without damaging the base material<\/td>\n<td>Blast cabinet<\/td>\n<\/tr>\n<tr>\n<td>Very hard or iron-free required (turbines, electronics, aerospace)<\/td>\n<td>White corundum, silicon carbide<\/td>\n<td>Purest iron-free media, extremely hard<\/td>\n<td>Blast cabinet, blast room<\/td>\n<\/tr>\n<tr>\n<td>Wet blasting, facades, on-site maintenance<\/td>\n<td>Garnet, olivine<\/td>\n<td>Natural mineral, suitable for wet and vacuum blasting<\/td>\n<td>Blast pot, mobile blasting container<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n[\/vc_column_text][vc_column_text]\n<div class=\"st-strook\">\n<p>Not sure which blasting grit works best on your workpiece? Our advisers will think along with you and test it in advance on your own parts.<\/p>\n<p><a class=\"st-knop st-knop--shop\" href=\"#direct-contact\">Request advice<\/a><\/div>\n[\/vc_column_text][vc_column_text]\n<h2 class=\"st-kop\" id=\"straalgrit-als-voorbehandeling-voor-coating-roes\">Blasting grit as surface preparation for coating: rust grade and cleanliness grade<\/h2>\n[\/vc_column_text][vc_column_text]\n<p>If the workpiece is coated, painted, powder coated or metallised after blasting, the surface preparation determines how long the coating will last. Two concepts from the ISO 8501-1 standard are key here: the rust grade of the steel as it comes in, and the cleanliness grade (Sa) you want to achieve after blasting. The coating supplier usually specifies the required cleanliness grade.<\/p>\n<div class=\"st-tabel-wrap\">\n<table class=\"st-tabel\">\n<thead>\n<tr>\n<th>Rust grade (before blasting)<\/th>\n<th>Condition of the steel<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>A<\/td>\n<td>Steel largely covered with adherent mill scale, little or no rust<\/td>\n<\/tr>\n<tr>\n<td>B<\/td>\n<td>Steel that has begun to rust; the mill scale has begun to flake<\/td>\n<\/tr>\n<tr>\n<td>C<\/td>\n<td>Mill scale has rusted away or can be scraped off; slight pitting visible<\/td>\n<\/tr>\n<tr>\n<td>D<\/td>\n<td>Mill scale has rusted away; general pitting visible across the surface<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div class=\"st-tabel-wrap\">\n<table class=\"st-tabel\">\n<thead>\n<tr>\n<th>Cleanliness grade<\/th>\n<th>Result after blasting<\/th>\n<th>Typical blasting grit<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Sa 1: light blast cleaning<\/td>\n<td>Loose mill scale, rust and paint removed<\/td>\n<td>Fine mineral grit, glass beads<\/td>\n<\/tr>\n<tr>\n<td>Sa 2: thorough blast cleaning<\/td>\n<td>Almost all mill scale, rust and paint removed; any residues are firmly adherent<\/td>\n<td>Steel grit, brown corundum<\/td>\n<\/tr>\n<tr>\n<td>Sa 2\u00bd: very thorough blast cleaning<\/td>\n<td>Mill scale, rust and paint removed; only slight stains or streaks remain<\/td>\n<td>Steel grit, chilled iron grit, brown corundum, garnet<\/td>\n<\/tr>\n<tr>\n<td>Sa 3: blast cleaning to visually clean steel<\/td>\n<td>Uniform metallic surface without residues<\/td>\n<td>Sharp grit: chilled iron grit, corundum<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>Sa 2\u00bd is the standard requirement for most industrial paint systems. The heavier the rust grade (C or D), the harder and more angular the grit needs to be to clean out the pits as well. Mineral grit such as corundum gives a clean grey, sharp profile and almost always exceeds Sa 2\u00bd; blasted work can also be left standing longer afterwards without losing cleanliness. Chilled iron grit, by contrast, attracts moisture: work blasted with it must be processed further quickly.<\/p>\n[\/vc_column_text][vc_column_text]\n<h2 class=\"st-kop\" id=\"korrelgrootte-en-ruwheid-het-juiste-ankerprofiel\">Grain size and roughness: the right anchor profile<\/h2>\n[\/vc_column_text][vc_column_text]\n<p>During blasting, every particle strikes a small dent in the surface and pushes the surrounding material upwards. This creates a pattern of peaks and valleys: the anchor profile. The coating must cover the peaks and fill the valleys. If the peaks protrude through the coating, rust will soon start there. If the profile is too shallow, the coating adheres poorly and will detach.<\/p>\n<p>Three properties of the blasting grit determine the profile:<\/p>\n<ul>\n<li><strong>Grain size:<\/strong> a coarser grain creates a deeper profile and works faster; a finer grain gives a more even, smoother surface.<\/li>\n<li><strong>Shape:<\/strong> angular grit creates sharp peaks and valleys (a true anchor profile); round shot creates shallow dimples, like those on a golf ball.<\/li>\n<li><strong>Bulk density and hardness:<\/strong> a heavy, hard grain (steel grit, 4.5 kg\/l) strikes deeper than a light one (corundum, 2 kg\/l) of the same grain size.<\/li>\n<\/ul>\n<p>The rule of thumb: choose the finest grain that still achieves the specified profile. Coarser than necessary costs more abrasive, more paint to fill the deeper valleys and more blasting time. The specified profile is usually stated in the technical data sheet of the coating, expressed in \u00b5m or as fine, medium or coarse according to ISO 8503. Grain sizes are designated according to SAE J444 (steel shot and grit, for example G25 or S330) or FEPA (corundum, for example F36). You can read more about measuring roughness in <a href=\"https:\/\/straaltechniek.net\/en\/shot-peening-and-blasting-knowledge\/roughness-and-the-right-blasting-media-advice-and-knowledge\/\">our article on roughness and the right abrasive<\/a>.<\/p>\n[\/vc_column_text][vc_column_text]\n<div class=\"st-strook\">\n<p>Not sure which grain size your coating requires? We measure the anchor profile in our blasting lab and advise on the right grain size.<\/p>\n<p><a class=\"st-knop st-knop--pdf\" href=\"#direct-contact\">Arrange trial blasting of your workpiece<\/a><\/div>\n[\/vc_column_text][vc_column_text]\n<h2 class=\"st-kop\" id=\"soorten-straalgrit\">Types of blasting grit<\/h2>\n[\/vc_column_text][vc_column_text]\n<p>Grit is angular. Below are the types we supply, from metallic to mineral.<\/p>\n[\/vc_column_text][vc_row_inner column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; top_padding=&#8221;20px&#8221; bottom_padding=&#8221;50px&#8221; text_align=&#8221;left&#8221; class=&#8221;wpb_same_section&#8221;][vc_column_inner column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/3&#8243; tablet_width_inherit=&#8221;default&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221; bg_image_animation=&#8221;none&#8221;][image_with_animation image_url=&#8221;7623&#8243; animation=&#8221;Fade In&#8221; hover_animation=&#8221;none&#8221; alignment=&#8221;&#8221; border_radius=&#8221;none&#8221; box_shadow=&#8221;none&#8221; image_loading=&#8221;default&#8221; max_width=&#8221;100%&#8221; max_width_mobile=&#8221;default&#8221;][vc_column_text]\n<p class=\"st-kaart-titel\"><strong>Steel grit<\/strong><\/p>\n<p class=\"st-kaart-tekst\">Angular steel grit for steel plate, sections and the deburring and cleaning of housings. Lasts 500 to 1,000 cycles: the lowest cost per m\u00b2 of all grit types. Available in G12 to G120 (SAE J444). In our wheel blast machines with the <a href=\"https:\/\/straaltechniek.net\/en\/gn-wheel\/\">GN Wheel\u00ae<\/a>, angular metallic grit runs on hard-metal blades that last up to 10\u00d7 longer.<\/p>\n<div class=\"st-knoppen\"><a class=\"st-knop st-knop--pdf\" href=\"\/wp-content\/uploads\/2020\/10\/ABR-Steelgrit-GS-EN.pdf\" target=\"_blank\" rel=\"noopener\">Product sheet <i class=\"fa fa-file-pdf-o\" aria-hidden=\"true\"><\/i><\/a><a class=\"st-knop st-knop--shop\" href=\"https:\/\/straaltechniek-shop.nl\/en\/product\/steel-grit-g12-g40\/\" target=\"_blank\" rel=\"noopener\">Webshop <i class=\"fa fa-shopping-cart\" aria-hidden=\"true\"><\/i><\/a><\/div>\n[\/vc_column_text][\/vc_column_inner][vc_column_inner column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/3&#8243; tablet_width_inherit=&#8221;default&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221; bg_image_animation=&#8221;none&#8221;][image_with_animation image_url=&#8221;7622&#8243; animation=&#8221;Fade In&#8221; hover_animation=&#8221;none&#8221; alignment=&#8221;&#8221; border_radius=&#8221;none&#8221; box_shadow=&#8221;none&#8221; image_loading=&#8221;default&#8221; max_width=&#8221;100%&#8221; max_width_mobile=&#8221;default&#8221;][vc_column_text]\n<p class=\"st-kaart-titel\"><strong>Stainless steel grit (Stelux CG)<\/strong><\/p>\n<p class=\"st-kaart-tekst\">Iron-free grit made of stainless steel for stainless steel parts and moulds. Prevents the flash rust and discolouration that ordinary steel grit causes on stainless steel. Also suitable for wheel blast machines.<\/p>\n<div class=\"st-knoppen\"><a class=\"st-knop st-knop--pdf\" href=\"\/wp-content\/uploads\/2020\/10\/ABR-Stainless-Steel-Shot-Alpha-EN.pdf\" target=\"_blank\" rel=\"noopener\">Product sheet <i class=\"fa fa-file-pdf-o\" aria-hidden=\"true\"><\/i><\/a><a class=\"st-knop st-knop--shop\" href=\"https:\/\/straaltechniek-shop.nl\/en\/product\/stelux-cg-stainless-steel-grit\/\" target=\"_blank\" rel=\"noopener\">Webshop <i class=\"fa fa-shopping-cart\" aria-hidden=\"true\"><\/i><\/a><\/div>\n[\/vc_column_text][\/vc_column_inner][vc_column_inner column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/3&#8243; tablet_width_inherit=&#8221;default&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221; bg_image_animation=&#8221;none&#8221;][image_with_animation image_url=&#8221;7614&#8243; animation=&#8221;Fade In&#8221; hover_animation=&#8221;none&#8221; alignment=&#8221;&#8221; border_radius=&#8221;none&#8221; box_shadow=&#8221;none&#8221; image_loading=&#8221;default&#8221; max_width=&#8221;100%&#8221; max_width_mobile=&#8221;default&#8221;][vc_column_text]\n<p class=\"st-kaart-titel\"><strong>Chilled iron grit<\/strong><\/p>\n<p class=\"st-kaart-tekst\">Harder than steel grit (56-64 HRC). It fractures instead of rounding off and therefore stays angular: a better anchor profile and a higher blasting rate. Consumed faster (200-250 cycles). For heavy-duty cleaning and thick paint layers.<\/p>\n<div class=\"st-knoppen\"><a class=\"st-knop st-knop--pdf\" href=\"\/wp-content\/uploads\/2020\/10\/ABR-Cast-Iron-Grit-GH-EN.pdf\" target=\"_blank\" rel=\"noopener\">Product sheet <i class=\"fa fa-file-pdf-o\" aria-hidden=\"true\"><\/i><\/a><\/div>\n[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_row_inner column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; top_padding=&#8221;20px&#8221; bottom_padding=&#8221;50px&#8221; text_align=&#8221;left&#8221; class=&#8221;wpb_same_section&#8221;][vc_column_inner column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/3&#8243; tablet_width_inherit=&#8221;default&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221; bg_image_animation=&#8221;none&#8221;][image_with_animation image_url=&#8221;7618&#8243; animation=&#8221;Fade In&#8221; hover_animation=&#8221;none&#8221; alignment=&#8221;&#8221; border_radius=&#8221;none&#8221; box_shadow=&#8221;none&#8221; image_loading=&#8221;default&#8221; max_width=&#8221;100%&#8221; max_width_mobile=&#8221;default&#8221;][vc_column_text]\n<p class=\"st-kaart-titel\"><strong>Brown corundum (brown aluminium oxide)<\/strong><\/p>\n<p class=\"st-kaart-tekst\">The universal mineral grit: extremely hard (Mohs 9), iron-free and reusable 15-25 times. Stays angular down to the smallest particle. For compressed air installations only, not for wheel blast machines. Also available as mixed corundum (white, pink and brown aluminium oxide): iron-free, between brown and white corundum in price and quality.<\/p>\n<div class=\"st-knoppen\"><a class=\"st-knop st-knop--pdf\" href=\"\/wp-content\/uploads\/2020\/10\/ABR-Brown-Fused-Alumina-EN.pdf\" target=\"_blank\" rel=\"noopener\">Product sheet <i class=\"fa fa-file-pdf-o\" aria-hidden=\"true\"><\/i><\/a><\/div>\n[\/vc_column_text][\/vc_column_inner][vc_column_inner column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/3&#8243; tablet_width_inherit=&#8221;default&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221; bg_image_animation=&#8221;none&#8221;][image_with_animation image_url=&#8221;7617&#8243; animation=&#8221;Fade In&#8221; hover_animation=&#8221;none&#8221; alignment=&#8221;&#8221; border_radius=&#8221;none&#8221; box_shadow=&#8221;none&#8221; image_loading=&#8221;default&#8221; max_width=&#8221;100%&#8221; max_width_mobile=&#8221;default&#8221;][vc_column_text]\n<p class=\"st-kaart-titel\"><strong>White corundum (white aluminium oxide)<\/strong><\/p>\n<p class=\"st-kaart-tekst\">The purest, completely iron-free corundum. The standard in electronics, turbine manufacturing and aerospace, and for stainless steel and aluminium. Available in F016 to F320.<\/p>\n<div class=\"st-knoppen\"><a class=\"st-knop st-knop--pdf\" href=\"\/wp-content\/uploads\/2020\/10\/ABR-White-Fused-Alumina-EN.pdf\" target=\"_blank\" rel=\"noopener\">Product sheet <i class=\"fa fa-file-pdf-o\" aria-hidden=\"true\"><\/i><\/a><a class=\"st-knop st-knop--shop\" href=\"https:\/\/straaltechniek-shop.nl\/en\/product\/white-fused-alumina-f016-f090\/\" target=\"_blank\" rel=\"noopener\">Webshop <i class=\"fa fa-shopping-cart\" aria-hidden=\"true\"><\/i><\/a><\/div>\n[\/vc_column_text][\/vc_column_inner][vc_column_inner column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/3&#8243; tablet_width_inherit=&#8221;default&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221; bg_image_animation=&#8221;none&#8221;][image_with_animation image_url=&#8221;7615&#8243; animation=&#8221;Fade In&#8221; hover_animation=&#8221;none&#8221; alignment=&#8221;&#8221; border_radius=&#8221;none&#8221; box_shadow=&#8221;none&#8221; image_loading=&#8221;default&#8221; max_width=&#8221;100%&#8221; max_width_mobile=&#8221;default&#8221;][vc_column_text]\n<p class=\"st-kaart-titel\"><strong>Black silicon carbide<\/strong><\/p>\n<p class=\"st-kaart-tekst\">The hardest grit we supply (Mohs 9.5). Iron-free and sharp, for very hard materials and fast results with little grain breakdown.<\/p>\n<div class=\"st-knoppen\"><a class=\"st-knop st-knop--pdf\" href=\"\/wp-content\/uploads\/2020\/10\/ABR-Black-Silicon-Carbide-EN.pdf\" target=\"_blank\" rel=\"noopener\">Product sheet <i class=\"fa fa-file-pdf-o\" aria-hidden=\"true\"><\/i><\/a><\/div>\n[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_row_inner column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; top_padding=&#8221;20px&#8221; bottom_padding=&#8221;50px&#8221; text_align=&#8221;left&#8221; class=&#8221;wpb_same_section&#8221;][vc_column_inner column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/3&#8243; tablet_width_inherit=&#8221;default&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221; bg_image_animation=&#8221;none&#8221;][image_with_animation image_url=&#8221;7613&#8243; animation=&#8221;Fade In&#8221; hover_animation=&#8221;none&#8221; alignment=&#8221;&#8221; border_radius=&#8221;none&#8221; box_shadow=&#8221;none&#8221; image_loading=&#8221;default&#8221; max_width=&#8221;100%&#8221; max_width_mobile=&#8221;default&#8221;][vc_column_text]\n<p class=\"st-kaart-titel\"><strong>Sibasiv<\/strong><\/p>\n<p class=\"st-kaart-tekst\">Calcined bauxite from natural minerals: strong, iron-free and sharp.<\/p>\n<div class=\"st-knoppen\"><a class=\"st-knop st-knop--pdf\" href=\"\/wp-content\/uploads\/2020\/10\/ABR-Sibasiv-EN.pdf\" target=\"_blank\" rel=\"noopener\">Product sheet <i class=\"fa fa-file-pdf-o\" aria-hidden=\"true\"><\/i><\/a><a class=\"st-knop st-knop--shop\" href=\"https:\/\/straaltechniek-shop.nl\/en\/product\/sibasiv-025-200\/\" target=\"_blank\" rel=\"noopener\">Webshop <i class=\"fa fa-shopping-cart\" aria-hidden=\"true\"><\/i><\/a><\/div>\n[\/vc_column_text][\/vc_column_inner][vc_column_inner column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/3&#8243; tablet_width_inherit=&#8221;default&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221; bg_image_animation=&#8221;none&#8221;][image_with_animation image_url=&#8221;7611&#8243; animation=&#8221;Fade In&#8221; hover_animation=&#8221;none&#8221; alignment=&#8221;&#8221; border_radius=&#8221;none&#8221; box_shadow=&#8221;none&#8221; image_loading=&#8221;default&#8221; max_width=&#8221;100%&#8221; max_width_mobile=&#8221;default&#8221;][vc_column_text]\n<p class=\"st-kaart-titel\"><strong>Garnet<\/strong><\/p>\n<p class=\"st-kaart-tekst\">Natural mineral for wet and water blasting of facades and structures, and as a dry grit on site.<\/p>\n<div class=\"st-knoppen\"><a class=\"st-knop st-knop--pdf\" href=\"\/wp-content\/uploads\/2020\/10\/ABR-Garnet-Soft-EN.pdf\" target=\"_blank\" rel=\"noopener\">Product sheet <i class=\"fa fa-file-pdf-o\" aria-hidden=\"true\"><\/i><\/a><\/div>\n[\/vc_column_text][\/vc_column_inner][vc_column_inner column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/3&#8243; tablet_width_inherit=&#8221;default&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221; bg_image_animation=&#8221;none&#8221;][image_with_animation image_url=&#8221;7612&#8243; animation=&#8221;Fade In&#8221; hover_animation=&#8221;none&#8221; alignment=&#8221;&#8221; border_radius=&#8221;none&#8221; box_shadow=&#8221;none&#8221; image_loading=&#8221;default&#8221; max_width=&#8221;100%&#8221; max_width_mobile=&#8221;default&#8221;][vc_column_text]\n<p class=\"st-kaart-titel\"><strong>Olivine<\/strong><\/p>\n<p class=\"st-kaart-tekst\">For heavily contaminated steel, stainless steel and aluminium, where the surface must not become too rough.<\/p>\n<div class=\"st-knoppen\"><a class=\"st-knop st-knop--pdf\" href=\"\/wp-content\/uploads\/2020\/10\/ABR-Olivine-EN.pdf\" target=\"_blank\" rel=\"noopener\">Product sheet <i class=\"fa fa-file-pdf-o\" aria-hidden=\"true\"><\/i><\/a><\/div>\n[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_column_text]\n<div class=\"st-strook\">\n<p>Steel grit, stainless steel grit, white corundum and Sibasiv can be ordered directly by the bag or pallet in our webshop.<\/p>\n<p><a class=\"st-knop st-knop--shop\" href=\"https:\/\/straaltechniek-shop.nl\/en\/product-category\/abrasive-media\/\" target=\"_blank\" rel=\"noopener\">Go to the webshop<\/a><\/div>\n[\/vc_column_text][vc_column_text]\n<h2 class=\"st-kop\" id=\"ronde-en-zachte-straalmiddelen-geen-grit\">Round and soft blasting media (not grit)<\/h2>\n[\/vc_column_text][vc_column_text]\n<p>These media are round or soft and do not cut. You choose them for a smooth finish, for shot peening or for delicate workpieces. Shot peening involves stricter requirements for grain size, uniformity and hardness; read more about <a href=\"https:\/\/straaltechniek.net\/en\/shot-peening-media\/\">shot peening media<\/a>.<\/p>\n[\/vc_column_text][vc_row_inner column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; top_padding=&#8221;20px&#8221; bottom_padding=&#8221;50px&#8221; text_align=&#8221;left&#8221; class=&#8221;wpb_same_section&#8221;][vc_column_inner column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/3&#8243; tablet_width_inherit=&#8221;default&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221; bg_image_animation=&#8221;none&#8221;][image_with_animation image_url=&#8221;7624&#8243; animation=&#8221;Fade In&#8221; hover_animation=&#8221;none&#8221; alignment=&#8221;&#8221; border_radius=&#8221;none&#8221; box_shadow=&#8221;none&#8221; image_loading=&#8221;default&#8221; max_width=&#8221;100%&#8221; max_width_mobile=&#8221;default&#8221;][vc_column_text]\n<p class=\"st-kaart-titel\"><strong>Steel shot<\/strong><\/p>\n<p class=\"st-kaart-tekst\">Round steel particles for shot peening and cleaning castings in wheel blast machines. Available in S070 to S660.<\/p>\n<div class=\"st-knoppen\"><a class=\"st-knop st-knop--pdf\" href=\"\/wp-content\/uploads\/2020\/10\/ABR-Steelshot-HC-GS-EN.pdf\" target=\"_blank\" rel=\"noopener\">Product sheet <i class=\"fa fa-file-pdf-o\" aria-hidden=\"true\"><\/i><\/a><a class=\"st-knop st-knop--shop\" href=\"https:\/\/straaltechniek-shop.nl\/en\/product\/steel-shot-s070-s230\/\" target=\"_blank\" rel=\"noopener\">Webshop <i class=\"fa fa-shopping-cart\" aria-hidden=\"true\"><\/i><\/a><\/div>\n[\/vc_column_text][\/vc_column_inner][vc_column_inner column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/3&#8243; tablet_width_inherit=&#8221;default&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221; bg_image_animation=&#8221;none&#8221;][image_with_animation image_url=&#8221;7622&#8243; animation=&#8221;Fade In&#8221; hover_animation=&#8221;none&#8221; alignment=&#8221;&#8221; border_radius=&#8221;none&#8221; box_shadow=&#8221;none&#8221; image_loading=&#8221;default&#8221; max_width=&#8221;100%&#8221; max_width_mobile=&#8221;default&#8221;][vc_column_text]\n<p class=\"st-kaart-titel\"><strong>Stainless steel shot (Stelux C and CN)<\/strong><\/p>\n<p class=\"st-kaart-tekst\">Iron-free round shot for stainless steel, aluminium, galvanised steel and shot peening. Very long service life (2,000-4,000 cycles) and little dust. Also suitable for wheel blast machines.<\/p>\n<div class=\"st-knoppen\"><a class=\"st-knop st-knop--pdf\" href=\"\/wp-content\/uploads\/2020\/10\/ABR-Stainless-Steel-Shot-Alpha-EN.pdf\" target=\"_blank\" rel=\"noopener\">Product sheet <i class=\"fa fa-file-pdf-o\" aria-hidden=\"true\"><\/i><\/a><a class=\"st-knop st-knop--shop\" href=\"https:\/\/straaltechniek-shop.nl\/en\/product\/stelux-c-rvs-shot\/\" target=\"_blank\" rel=\"noopener\">Webshop <i class=\"fa fa-shopping-cart\" aria-hidden=\"true\"><\/i><\/a><\/div>\n[\/vc_column_text][\/vc_column_inner][vc_column_inner column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/3&#8243; tablet_width_inherit=&#8221;default&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221; bg_image_animation=&#8221;none&#8221;][image_with_animation image_url=&#8221;7621&#8243; animation=&#8221;Fade In&#8221; hover_animation=&#8221;none&#8221; alignment=&#8221;&#8221; border_radius=&#8221;none&#8221; box_shadow=&#8221;none&#8221; image_loading=&#8221;default&#8221; max_width=&#8221;100%&#8221; max_width_mobile=&#8221;default&#8221;][vc_column_text]\n<p class=\"st-kaart-titel\"><strong>Glass beads<\/strong><\/p>\n<p class=\"st-kaart-tekst\">Completely iron-free, round and relatively soft. For cleaning, deburring and a satin matt finish on stainless steel and aluminium.<\/p>\n<div class=\"st-knoppen\"><a class=\"st-knop st-knop--pdf\" href=\"\/wp-content\/uploads\/2020\/10\/ABR-Glass-Beads-EN.pdf\" target=\"_blank\" rel=\"noopener\">Product sheet <i class=\"fa fa-file-pdf-o\" aria-hidden=\"true\"><\/i><\/a><a class=\"st-knop st-knop--shop\" href=\"https:\/\/straaltechniek-shop.nl\/en\/product\/glass-beads\/\" target=\"_blank\" rel=\"noopener\">Webshop <i class=\"fa fa-shopping-cart\" aria-hidden=\"true\"><\/i><\/a><\/div>\n[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_row_inner column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; top_padding=&#8221;20px&#8221; bottom_padding=&#8221;50px&#8221; text_align=&#8221;left&#8221; class=&#8221;wpb_same_section&#8221;][vc_column_inner column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/3&#8243; tablet_width_inherit=&#8221;default&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221; bg_image_animation=&#8221;none&#8221;][image_with_animation image_url=&#8221;7619&#8243; animation=&#8221;Fade In&#8221; hover_animation=&#8221;none&#8221; alignment=&#8221;&#8221; border_radius=&#8221;none&#8221; box_shadow=&#8221;none&#8221; image_loading=&#8221;default&#8221; max_width=&#8221;100%&#8221; max_width_mobile=&#8221;default&#8221;][vc_column_text]\n<p class=\"st-kaart-titel\"><strong>Ceramic beads<\/strong><\/p>\n<p class=\"st-kaart-tekst\">An alternative to glass beads with greater hardness and a longer service life, resulting in less dust and waste.<\/p>\n<div class=\"st-knoppen\"><a class=\"st-knop st-knop--pdf\" href=\"\/wp-content\/uploads\/2020\/10\/ABR-Ceramic-Beads-EN.pdf\" target=\"_blank\" rel=\"noopener\">Product sheet <i class=\"fa fa-file-pdf-o\" aria-hidden=\"true\"><\/i><\/a><\/div>\n[\/vc_column_text][\/vc_column_inner][vc_column_inner column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/3&#8243; tablet_width_inherit=&#8221;default&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221; bg_image_animation=&#8221;none&#8221;][image_with_animation image_url=&#8221;7620&#8243; animation=&#8221;Fade In&#8221; hover_animation=&#8221;none&#8221; alignment=&#8221;&#8221; border_radius=&#8221;none&#8221; box_shadow=&#8221;none&#8221; image_loading=&#8221;default&#8221; max_width=&#8221;100%&#8221; max_width_mobile=&#8221;default&#8221;][vc_column_text]\n<p class=\"st-kaart-titel\"><strong>Plastic media<\/strong><\/p>\n<p class=\"st-kaart-tekst\">For removing paint from delicate materials, such as thin-walled aluminium in the aerospace and automotive industries.<\/p>\n<div class=\"st-knoppen\"><a class=\"st-knop st-knop--pdf\" href=\"\/wp-content\/uploads\/2020\/10\/ABR-Plastic-Granules-EN.pdf\" target=\"_blank\" rel=\"noopener\">Product sheet <i class=\"fa fa-file-pdf-o\" aria-hidden=\"true\"><\/i><\/a><\/div>\n[\/vc_column_text][\/vc_column_inner][vc_column_inner column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/3&#8243; tablet_width_inherit=&#8221;default&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221; bg_image_animation=&#8221;none&#8221;][image_with_animation image_url=&#8221;7610&#8243; animation=&#8221;Fade In&#8221; hover_animation=&#8221;none&#8221; alignment=&#8221;&#8221; border_radius=&#8221;none&#8221; box_shadow=&#8221;none&#8221; image_loading=&#8221;default&#8221; max_width=&#8221;100%&#8221; max_width_mobile=&#8221;default&#8221;][vc_column_text]\n<p class=\"st-kaart-titel\"><strong>Walnut shells<\/strong><\/p>\n<p class=\"st-kaart-tekst\">For cleaning and deburring where the surface must not be damaged, for example on injection-moulded parts.<\/p>\n<div class=\"st-knoppen\"><a class=\"st-knop st-knop--pdf\" href=\"\/wp-content\/uploads\/2020\/10\/ABR-Nutshells-Granules-EN.pdf\" target=\"_blank\" rel=\"noopener\">Product sheet <i class=\"fa fa-file-pdf-o\" aria-hidden=\"true\"><\/i><\/a><\/div>\n[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_column_text]\n<h2 class=\"st-kop\" id=\"straalgrit-vergelijken-vorm-hardheid-en-hergebru\">Comparing blasting grit: shape, hardness and reuse<\/h2>\n[\/vc_column_text][vc_column_text]\n<div class=\"st-tabel-wrap\">\n<table class=\"st-tabel\">\n<thead>\n<tr>\n<th>Type<\/th>\n<th>Shape<\/th>\n<th>Hardness<\/th>\n<th>Bulk density (kg\/l)<\/th>\n<th>Iron-free<\/th>\n<th>Number of cycles<\/th>\n<th>Typical application<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Steel grit<\/td>\n<td>angular<\/td>\n<td>40-65 HRC<\/td>\n<td>4.5<\/td>\n<td>no<\/td>\n<td>500-1,000<\/td>\n<td>steel, sections, castings, wheel blasting<\/td>\n<\/tr>\n<tr>\n<td>Chilled iron grit<\/td>\n<td>angular<\/td>\n<td>56-64 HRC<\/td>\n<td>4<\/td>\n<td>no<\/td>\n<td>200-250<\/td>\n<td>heavy-duty cleaning, thick paint<\/td>\n<\/tr>\n<tr>\n<td>Stainless steel grit (Stelux CG)<\/td>\n<td>angular<\/td>\n<td>work-hardens during use<\/td>\n<td>4.5<\/td>\n<td>yes<\/td>\n<td>high<\/td>\n<td>stainless steel, preparation for coating<\/td>\n<\/tr>\n<tr>\n<td>Brown corundum<\/td>\n<td>angular<\/td>\n<td>Mohs 9<\/td>\n<td>2<\/td>\n<td>yes<\/td>\n<td>15-25<\/td>\n<td>universal, derusting, roughening<\/td>\n<\/tr>\n<tr>\n<td>White corundum<\/td>\n<td>angular<\/td>\n<td>Mohs 9<\/td>\n<td>2<\/td>\n<td>yes<\/td>\n<td>15-25<\/td>\n<td>stainless steel, aluminium, aerospace, electronics<\/td>\n<\/tr>\n<tr>\n<td>Silicon carbide<\/td>\n<td>angular<\/td>\n<td>Mohs 9.5<\/td>\n<td>approx. 1.5<\/td>\n<td>yes<\/td>\n<td>high<\/td>\n<td>very hard materials<\/td>\n<\/tr>\n<tr>\n<td>Garnet<\/td>\n<td>angular<\/td>\n<td>Mohs 7-7.5<\/td>\n<td>approx. 2.3<\/td>\n<td>yes<\/td>\n<td>limited<\/td>\n<td>wet blasting, on site<\/td>\n<\/tr>\n<tr>\n<td>Olivine<\/td>\n<td>angular<\/td>\n<td>Mohs 6.5-7<\/td>\n<td>approx. 1.7<\/td>\n<td>yes<\/td>\n<td>limited<\/td>\n<td>contaminated steel, light profile<\/td>\n<\/tr>\n<tr>\n<td>Steel shot<\/td>\n<td>round<\/td>\n<td>40-51 HRC<\/td>\n<td>4.5<\/td>\n<td>no<\/td>\n<td>1,000-1,800<\/td>\n<td>shot peening, castings<\/td>\n<\/tr>\n<tr>\n<td>Stainless steel shot (Stelux C\/CN)<\/td>\n<td>round<\/td>\n<td>25-30 HRC, work-hardens<\/td>\n<td>4.5<\/td>\n<td>yes<\/td>\n<td>2,000-4,000<\/td>\n<td>stainless steel, aluminium, peening<\/td>\n<\/tr>\n<tr>\n<td>Glass beads<\/td>\n<td>round<\/td>\n<td>Mohs 6<\/td>\n<td>1.5<\/td>\n<td>yes<\/td>\n<td>5-35<\/td>\n<td>finishing, matting, stainless steel<\/td>\n<\/tr>\n<tr>\n<td>Ceramic beads<\/td>\n<td>round<\/td>\n<td>55-65 HRC<\/td>\n<td>2.3<\/td>\n<td>yes<\/td>\n<td>60-200<\/td>\n<td>finishing, peening, less dust<\/td>\n<\/tr>\n<tr>\n<td>Plastic media<\/td>\n<td>angular, soft<\/td>\n<td>Mohs 3-4<\/td>\n<td>0.8-1.15<\/td>\n<td>yes<\/td>\n<td>40-80<\/td>\n<td>paint removal, moulds<\/td>\n<\/tr>\n<tr>\n<td>Walnut shells<\/td>\n<td>angular, soft<\/td>\n<td>Mohs 3.3<\/td>\n<td>0.6-0.7<\/td>\n<td>yes<\/td>\n<td>40-80<\/td>\n<td>delicate surfaces<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>Values based on product data sheets and technical literature; the exact number of cycles depends on working pressure, settings and cleaning. Metallic grit (4.5 kg\/l) strikes harder and removes thick layers faster than mineral grit (2 kg\/l), but mineral grit contains many more particles per kilo and reaches right into the pores.<\/p>\n<p>Choose the finest grain that still achieves the required profile: coarser than necessary costs abrasive, paint and time. How grain size and roughness are related is explained in <a href=\"https:\/\/straaltechniek.net\/en\/shot-peening-and-blasting-knowledge\/roughness-and-the-right-blasting-media-advice-and-knowledge\/\">roughness and the right abrasive<\/a>.<\/p>\n[\/vc_column_text][vc_column_text]\n<h2 class=\"st-kop\" id=\"eenmalige-straalmiddelen-smeltslak-calciumsilica\">Single-use abrasives: slag, calcium silicate and crushed glass<\/h2>\n[\/vc_column_text][vc_column_text]\n<p>Besides reusable grit, there are single-use abrasives: slag, calcium silicate (often sold as &#8216;blasting sand&#8217; or &#8216;blasting grit&#8217; in DIY stores) and crushed glass. They are cheap per kilo and suitable for open-air blasting, where the abrasive is swept up and disposed of after use.<\/p>\n<p>In a blast room or blasting hall they are rarely the best choice. They break down into dust after one or a few cycles, consumption per m\u00b2 is high and disposal also costs money. Moreover, slag is becoming scarcer. If you blast regularly, reusable steel grit or corundum in an installation with abrasive cleaning is almost always cheaper per blasted m\u00b2, and produces less dust in the blast room.<\/p>\n[\/vc_column_text][vc_column_text]\n<h2 class=\"st-kop\" id=\"straalgrit-hergebruiken-reken-per-m2-niet-per-ki\">Reusing blasting grit: calculate per m\u00b2, not per kilo<\/h2>\n[\/vc_column_text][vc_column_text]\n<p>Metallic grit lasts hundreds to thousands of cycles, mineral grit dozens, provided it is cleaned after every cycle. Dust, paint residues and broken particles must be removed, otherwise the blasting rate drops and dust generation increases.<\/p>\n<p>The price per kilo therefore says little. What counts is how much grit you use per blasted square metre. As an indication for recyclable grit in a blast room:<\/p>\n<div class=\"st-tabel-wrap\">\n<table class=\"st-tabel\">\n<thead>\n<tr>\n<th>Blasting grit<\/th>\n<th>Consumption per m\u00b2<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Steel grit<\/td>\n<td>0.5 kg<\/td>\n<\/tr>\n<tr>\n<td>Chilled iron grit<\/td>\n<td>0.8 kg<\/td>\n<\/tr>\n<tr>\n<td>Sibasiv<\/td>\n<td>1.5 kg<\/td>\n<\/tr>\n<tr>\n<td>Corundum<\/td>\n<td>1.2 kg<\/td>\n<\/tr>\n<tr>\n<td>Garnet<\/td>\n<td>3 kg<\/td>\n<\/tr>\n<tr>\n<td>Stainless steel grit<\/td>\n<td>0.4 kg<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>Garnet is cheap per kilo, but you use six times as much of it per m\u00b2 as steel grit. With mineral grit, consumption also doubles between 4 and 6 bar working pressure. In practice, the blasting pressure and abrasive metering valve are often set too high; we measure this too when we carry out trial blasting of your workpieces.<\/p>\n<p>The grit itself is only part of the cost per m\u00b2. Blasting speed, machine wear and the disposal of used grit count as well. Stainless steel grit, for example, is expensive per kilo but can work out favourably overall: it lasts a long time and machine parts wear less.<\/p>\n<p>We build the installations that make reuse possible: the <a href=\"https:\/\/straaltechniek.net\/en\/custom-blast-cabinets\/cleaner\/\">abrasive separator<\/a> in the blast room, the <a href=\"https:\/\/straaltechniek.net\/en\/big-blasting-halls\/installations-for-smart-abrasive-recovery\/\">abrasive recovery system<\/a> for large blasting halls and the <a href=\"https:\/\/straaltechniek.net\/en\/big-blasting-halls\/industrial-vacuum-extraction-installation-for-large-spray-halls\/\">vacuum recovery system<\/a> for on-site blasting. We also take care of the disposal of used blasting grit.<\/p>\n[\/vc_column_text][vc_column_text]\n<div class=\"st-strook\">\n<p>Curious how much you could save? We calculate your abrasive consumption and cost per m\u00b2 for your own installation.<\/p>\n<p><a class=\"st-knop st-knop--shop\" href=\"#direct-contact\">Have your costs calculated<\/a><\/div>\n[\/vc_column_text][vc_column_text]\n<h2 class=\"st-kop\" id=\"werkdruk-luchtverbruik-en-straalpijp\">Working pressure, air consumption and blast nozzle<\/h2>\n[\/vc_column_text][vc_column_text]\n<p>The same blasting grit can work far more economically in one installation than in another. Three settings make the difference:<\/p>\n<ul>\n<li><strong>Working pressure:<\/strong> with mineral grit, consumption roughly doubles between 4 and 6 bar. A higher pressure is therefore not automatically faster or cheaper.<\/li>\n<li><strong>Abrasive metering valve:<\/strong> if it is opened too far, more grit passes through the nozzle than necessary, without improving the result.<\/li>\n<li><strong>Blast nozzle:<\/strong> the bore determines how much air and abrasive pass through it, and therefore how large the compressor needs to be. A worn nozzle becomes wider and consumes more air and grit without anyone noticing.<\/li>\n<\/ul>\n<p>In practice we often find that the blasting pressure and abrasive metering valve are set too high. The roughness then becomes greater than necessary, resulting in higher consumption of both grit and paint. We supply the complete compressed air chain: <a href=\"https:\/\/straaltechniek.net\/en\/blastwizard-blast-pots\/\">BlastWizard\u00ae blast pots<\/a>, compressors and compressed air treatment, blast nozzles and hoses, and we fine-tune the installation together with you.<\/p>\n[\/vc_column_text][vc_column_text]\n<h2 class=\"st-kop\" id=\"stof-afzuiging-en-reiniging-van-straalgrit\">Dust, extraction and cleaning of blasting grit<\/h2>\n[\/vc_column_text][vc_column_text]\n<p>Dust is created when particles break. Hard, tough media such as steel grit, stainless steel shot and ceramic beads break down very little; mineral grit breaks down faster and produces more dust. Particles smaller than approximately 0.2 mm no longer contribute to blasting and only cause problems: poor visibility, a dirtier workpiece and a lower blasting rate.<\/p>\n<p>That is why reusable blasting grit always requires good extraction and cleaning. The <a href=\"https:\/\/straaltechniek.net\/en\/custom-blast-cabinets\/cleaner\/\">abrasive separator<\/a> separates dust, paint residues and undersized particles from the usable grit, and the <a href=\"https:\/\/straaltechniek.net\/en\/dust-collectors\/\">dust collector<\/a> captures the dust and keeps the air in the blast room clear. With less dust, the filter cartridges also last longer. Blasting with quartz sand is strictly prohibited: the fine dust penetrates deep into the lungs and causes silicosis (a serious, irreversible lung disease).<\/p>\n[\/vc_column_text][vc_column_text]\n<h2 class=\"st-kop\" id=\"testen-in-ons-eigen-straallab\">Testing in our own blasting lab<\/h2>\n[\/vc_column_text][vc_column_text]\n<p>We have a fully equipped blasting test room with a laboratory. Based on trials with your own workpieces, we advise which type of blasting grit, grain size and blasting process will give the best result. We measure the roughness, assess the quality of the grit and the machine settings, and compare the result with the required cleanliness grade according to ISO 8501-1 (for example Sa 2\u00bd). You receive a laboratory report with concrete recommendations, including the expected consumption per m\u00b2.<\/p>\n[\/vc_column_text][vc_column_text]\n<div class=\"st-knoppen\"><a class=\"st-knop st-knop--pdf\" href=\"#direct-contact\">Arrange trial blasting of your workpiece<\/a><\/div>\n[\/vc_column_text][divider line_type=&#8221;No Line&#8221; custom_height=&#8221;20&#8243;][vc_column_text]\n<h2 class=\"st-kop\" id=\"veelgestelde-vragen-over-straalgrit\">Frequently asked questions about blasting grit<\/h2>\n[\/vc_column_text][vc_column_text]\n<div class=\"st-faq\">\n<details>\n<summary>What is the difference between blasting grit and shot?<\/summary>\n<div class=\"st-faq-antwoord\">\n<p>Grit is angular and cuts into the surface: it cleans aggressively and creates a roughness profile. Shot is round and compacts the surface: it gives a smoother result and is used for shot peening. For paint stripping and roughening you choose grit; for finishing and strengthening, shot.<\/p>\n<\/div>\n<\/details>\n<details>\n<summary>Which blasting grit is best for steel?<\/summary>\n<div class=\"st-faq-antwoord\">\n<p>For derusting and roughening steel, steel grit is the standard: hard, reusable and economical in wheel blast machines and blast rooms. For blast pots, or where iron-free media are required, brown corundum is the alternative.<\/p>\n<\/div>\n<\/details>\n<details>\n<summary>Which blasting grit do you use for stainless steel and aluminium?<\/summary>\n<div class=\"st-faq-antwoord\">\n<p>Always an iron-free abrasive: stainless steel grit, white corundum or glass beads. Ordinary steel grit leaves iron particles behind that cause rust and discolouration on stainless steel and aluminium.<\/p>\n<\/div>\n<\/details>\n<details>\n<summary>Can blasting grit be reused?<\/summary>\n<div class=\"st-faq-antwoord\">\n<p>Yes. Steel grit, steel shot and corundum last hundreds to thousands of cycles if the grit is cleaned of dust and broken particles after every cycle. Soft media such as walnut shells can only be reused to a limited extent.<\/p>\n<\/div>\n<\/details>\n<details>\n<summary>Which grain size do I need?<\/summary>\n<div class=\"st-faq-antwoord\">\n<p>Coarser grains give a deeper roughness profile and a higher blasting rate; finer grains give a smoother and more even surface. The right size depends on the required roughness and on the installation. We determine this by carrying out trial blasting of your workpieces in our blasting lab.<\/p>\n<\/div>\n<\/details>\n<details>\n<summary>How much dust does blasting grit produce?<\/summary>\n<div class=\"st-faq-antwoord\">\n<p>That depends on the hardness and friability of the particle. Hard, tough media such as steel grit and ceramic beads break down very little and produce little dust; mineral grit breaks down faster. Good extraction and cleaning keep dust generation low and the grit usable for longer.<\/p>\n<\/div>\n<\/details>\n<details>\n<summary>Can I blast with sand?<\/summary>\n<div class=\"st-faq-antwoord\">\n<p>Absolutely not. Blasting with sand is strictly prohibited. In the Netherlands this has been the case since the 1957 Sandblasting Decree. Sand contains quartz, and its fine dust is so small that it passes the natural filters of the nose and windpipe and lodges deep in the alveoli of the lungs. This causes silicosis (a serious lung disease): irreversible damage and very serious health risks for the blaster. So always use a safe blasting grit such as corundum, steel grit or garnet; &#x27;sandblasting&#x27; today actually means grit blasting.<\/p>\n<\/div>\n<\/details>\n<details>\n<summary>What is the difference between mineral and metallic blasting grit?<\/summary>\n<div class=\"st-faq-antwoord\">\n<p>Mineral grit (corundum, Sibasiv, garnet) is iron-free, stays sharp down to the smallest particle and gives an optimum anchor profile, but consumption is higher and it produces more dust. Metallic grit (steel grit, chilled iron grit, stainless steel grit) lasts much longer, produces less dust and, thanks to its high bulk density, strikes harder: ideal for thick paint layers and mill scale.<\/p>\n<\/div>\n<\/details>\n<details>\n<summary>What does Sa 2\u00bd mean?<\/summary>\n<div class=\"st-faq-antwoord\">\n<p>Sa 2\u00bd is a cleanliness grade according to ISO 8501-1: very thoroughly blast-cleaned steel from which mill scale, rust and old paint have been removed, with only slight stains or streaks still visible. It is the standard requirement for most industrial paint systems. A stricter grade is Sa 3, visually clean steel.<\/p>\n<\/div>\n<\/details>\n<details>\n<summary>What working pressure should I use when blasting with grit?<\/summary>\n<div class=\"st-faq-antwoord\">\n<p>That depends on the grit, the blast nozzle and the required result. Higher is not automatically better: with mineral grit, consumption roughly doubles between 4 and 6 bar, and excessive pressure produces a rougher profile than necessary. We determine the right pressure by carrying out trial blasting of your workpieces in our blasting lab.<\/p>\n<\/div>\n<\/details>\n<details>\n<summary>Is blasting grit from a DIY store suitable for a blast room?<\/summary>\n<div class=\"st-faq-antwoord\">\n<p>Usually not. DIY-store blasting grit is often calcium silicate or slag: a single-use abrasive that breaks down into dust after one or a few cycles. In a blast room with recycling, reusable steel grit or corundum is cheaper per m\u00b2 and produces far less dust.<\/p>\n<\/div>\n<\/details>\n<details>\n<summary>Where can I buy blasting grit?<\/summary>\n<div class=\"st-faq-antwoord\">\n<p>In <a href=\"https:\/\/straaltechniek-shop.nl\/en\/product-category\/abrasive-media\/\">the Straaltechniek webshop<\/a> you can order steel grit, steel shot, stainless steel grit and shot, white corundum, glass beads and Sibasiv by the bag or pallet. For large quantities, testing or advice, please contact our advisers.<\/p>\n<\/div>\n<\/details>\n<\/div>\n[\/vc_column_text][divider line_type=&#8221;No Line&#8221; custom_height=&#8221;20&#8243;][vc_column_text]\n<div class=\"st-cta\" id=\"direct-contact\">\n<div class=\"st-cta__tekst\">\n<h2 class=\"st-cta__kop\">Get in touch<\/h2>\n<p>Call or email us. Our specialists will advise you on your application, the right blasting grit or trial blasting with your own parts in our blasting lab.<\/p>\n<\/div>\n<div class=\"st-cta__formulier\">\n<p class=\"st-cta__lijn\"><i class=\"fa fa-phone\" aria-hidden=\"true\"><\/i> <a href=\"tel:+31162748010\">+31 (0)162 748 010<\/a><\/p>\n<p class=\"st-cta__lijn\"><i class=\"fa fa-envelope\" aria-hidden=\"true\"><\/i> <a href=\"mailto:info@straaltechniek.net\">info@straaltechniek.net<\/a><\/p>\n<div class=\"st-knoppen\"><a class=\"st-knop st-knop--shop\" href=\"https:\/\/straaltechniek.net\/en\/contact-us\/\">Contact us<\/a><\/div>\n<\/div>\n<\/div>\n[\/vc_column_text][divider line_type=&#8221;No Line&#8221; custom_height=&#8221;30&#8243;][\/vc_column][\/vc_row][vc_row type=&#8221;full_width_background&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; 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tablet_width_inherit=&#8221;default&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221; bg_image_animation=&#8221;none&#8221;][vc_custom_heading text=&#8221;Straaltechniek International Group&#8221; font_container=&#8221;tag:h6|text_align:left|color:%23ffffff&#8221; use_theme_fonts=&#8221;yes&#8221;][divider line_type=&#8221;No Line&#8221; custom_height=&#8221;15&#8243;][vc_column_text el_class=&#8221;TextWhiteOpacity&#8221;]We offer the most advanced solutions in the (high-end) metal processing industry and supply customisation for each specific problem.<\/p>\n<p>A global network of sales and service points provides support in the execution of our extremely diverse range of projects.[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][\/vc_column][vc_column column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; background_color_opacity=&#8221;1&#8243; 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Compare all abrasive blasting media by hardness and reuse. Advice and tests in our own lab.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/straaltechniek.net\/en\/blasting-grit\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Blasting grit: types, selection and advice | Straaltechniek\" \/>\n<meta property=\"og:description\" content=\"Which blasting grit for steel, stainless steel or aluminium? Compare all abrasive blasting media by hardness and reuse. 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