... cleaning of steel structure, hull and bridge;(2)Waterjet cutting of metal, stone and glass;(3)Filter medium of ... effect20/40mesh30/60meshCarbon steel, manganese steel, stainless steel, alloy metal, glass, ceramic, stone, wood, Serious corrosion, oxidation, skin ... roughness 50-75,60-95 micron80mesh120meshAluminum, stainless steel, alloy metal, glass, ceramic, stone, wood, Surface roughness only matte ...