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