... )Filter medium of chemical industry, petroleum, pharmacy and water treatment; (4)Grinding of marble, optical lens, glassware ... cloth and abrasive paper; (6)Wear-resistant material of expressway pavement, runway, wear-resistant rubber and anti-skid paint. Garnet ... stone, wood, Serious corrosion, oxidation, skin, or dirty sand-blasting, surface roughness 50-75,60-95 micron80mesh120meshAluminum, stainless ...