{"product_id":"nbs-coal-slag-50-lb-bag-30-60-mesh-medium","title":"NBS Coal Slag — 50 lb Bag (30\/60 Mesh, Medium)","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eHigh-Volume Expendable Abrasive for Outdoor Blasting\u003c\/h2\u003e\n\u003cp\u003eCoal slag is the most cost-effective expendable abrasive for large-scale outdoor blasting operations. A byproduct of coal-fired power plants, this angular media delivers excellent cutting speed at a fraction of the cost of garnet or aluminum oxide. Ideal for jobs where media recovery is impractical — bridges, tanks, ships, and structural steel in the field.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eCalcium Silicate (Coal Slag)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShape\u003c\/td\u003e\n\u003ctd\u003eAngular\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMesh Size\u003c\/td\u003e\n\u003ctd\u003e30\/60 (250–600 microns)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHardness\u003c\/td\u003e\n\u003ctd\u003e6.0–7.0 Mohs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBag Weight\u003c\/td\u003e\n\u003ctd\u003e50 lbs (22.7 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecyclability\u003c\/td\u003e\n\u003ctd\u003eSingle use (expendable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFree Silica\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.1%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecific Gravity\u003c\/td\u003e\n\u003ctd\u003e2.7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eBest For\u003c\/h3\u003e\n\u003cp\u003eStructural steel preparation (SSPC-SP5\/SP6\/SP10), bridge maintenance, tank lining prep, ship hull blasting, pipeline coating removal, and any large-scale outdoor job where low media cost is critical.\u003c\/p\u003e\n\u003ch3\u003eCompatible Equipment\u003c\/h3\u003e\n\u003cp\u003ePortable pressure blasters (primary use), direct pressure blast cabinets. Not recommended for siphon systems. All nozzle types compatible — tungsten carbide recommended for longevity.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"National Blast Supply","offers":[{"title":"Default Title","offer_id":47956992852162,"sku":"NBS-CS3060-50","price":18.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/1867\/5138\/files\/NBS-CS3060-50.png?v=1782395052","url":"https:\/\/nationalblastsupply.com\/products\/nbs-coal-slag-50-lb-bag-30-60-mesh-medium","provider":"National Blast Supply","version":"1.0","type":"link"}