(courtesy of Wikipedia)
Filter Powder naturally occurring, soft, siliceous sedimentary rock that is easily crumbled into a fine white to off-white powder used as a filtration aid, mild abrasive in products including metal polishes and toothpaste, mechanical insecticide, absorbent for liquids, matting agent for coatings, reinforcing filler in plastics and rubber, anti-block in plastic films, porous support for chemical catalysts, cat litter, activator in blood clotting studies, a stabilizing component of dynamite, and a thermal insulator.
Deliveries and pickup by straight truck, box truck, or pickup trucks
Available in 50 lb. bags