... stone and glass;(3)Filter medium of chemical industry, petroleum, pharmacy and water treatment; (4)Grinding of marble, optical lens, ... 40mesh30/60meshCarbon steel, manganese steel, stainless steel, alloy metal, glass, ceramic, stone, wood, Serious corrosion, oxidation, skin, ... 75,60-95 micron80mesh120meshAluminum, stainless steel, alloy metal, glass, ceramic, stone, wood, Surface roughness only matte ...