MineralTech Premium Coal Slag is a low free silica; chemically inert mineral abrasive commonly employed as an abrasive blasting media, and is also used for roofing granules by manufacturers of roofing shingles. This abrasive is dark black in color, with angular particles and a hardness of 7.0 on the Mohs Hardness Scale. The bulk density is 80-90 lbs. per cubic foot.
MineralTech Premium Coal Slag is a high quality grade abrasive that is clean, fast cutting, safe (Less Than 1% Free Silica), and produced using the highest quality control standards. The chemical and gradation parameters are continuously monitored by authorized analytical laboratories. This product is available in bulk pneumatic tankers, 4000 lb. bulk bags, 50 lb. and 100 lb. paper sacks.
MineralTech Premium Coal Slag delivers and ultra-low dusting abrasive blast when employed, with high production rates, and is less than 1% free silica.