... wheel, resinoid gringding wheel, Grinding stone, Gringing block, sand paper, sand cloth, sand belt, polish wax, abrasive paste, coating etc..2) Refractory material: Mainly used ... steel metallurgy, various industrial stoves, electric furnace etc..3) Sandblasting abrasive: Mainly used for various material workpieces to decontaminate, derusting, prevent ...