Sandblasting Machine used to clean the surface of steel pipe, tube, sheet,plate etc.to gain bright ... treatment of small work pieces or castings (aluminum-zinc die-casting, forging part).eliminating rust, oxide skin, grains, water ... sand material: alumina, corundum, glass ball, walnet sand, resin sand, light steel ball, steel sand, stainless steel ball, aluminum ball, etc. technical ParameterCJ-GT-5 ...