Abrasives (manufactured)

Manufactured substances that are used to abrade, clean, etch, grind, polish, scour, or otherwise remove solid material by rubbing action (as in a grinding wheel) or impact (as in pressure blasting). Iincludes aluminum-zirconium oxide, boron carbide, fused aluminum oxide (also known as synthetic corundum), silicon carbide, metallic abrasives (steel shot and grit), metallic abrasives (cut wire shot)