1.Abrasives Refractory material 2.High hardness 3.Good quality ... malleable cast iron and hard bronze.It used for refractory aluminum oxide lining mixture, pouring materials castable,etc.2.Chemical ... used in the manufacturing of all types of brown aluminum oxide coated abrasive products, for example, cloth, fiber, and ... 371-63873855Fax:0086-371-63691212 brown fused aluminum oxide-for refractory material