... and other materials;(5)Raw material of grinding wheel, oil stone, emery cloth and abrasive paper; (6)Wear-resistant ... steel, manganese steel, stainless steel, alloy metal, glass, ceramic, stone, wood, Serious corrosion, oxidation, skin, or dirty sand-blasting ... 95 micron80mesh120meshAluminum, stainless steel, alloy metal, glass, ceramic, stone, wood, Surface roughness only matte effect or need to ...