... ceramic gring wheel, resinoid gringding wheel, Grinding stone, Gringing block, sand paper, sand cloth, sand belt, polish wax, ... , coating etc.. 2) Refractory material: Mainly used for abrasion and high temperature resiatant, inoxidizable aggregate and filling ... electric furnace etc.. 3) Sandblasting abrasive: Mainly used for various material workpieces to decontaminate, derusting, prevent corrosion, ...