... wood, Serious corrosion, oxidation, skin, or dirty sand-blasting, surface roughness 50-75,60-95 micron80mesh120meshAluminum, stainless steel, alloy metal, ... glass, ceramic, stone, wood, Surface roughness only matte effect or need to remove surface rust, mill scale, dirt, etc.150meshThe ... grinding Do fine sandblasting, mainly used in the surface being sprayed does not destroy the case, to remove ...