... Fused Alumina is a kind of middle or high level refractory materials. With the eye-catching white color and the advantage ... high level unshaped or shaped refractory material. It is applied to the unshaped refractory materials, such as refractory carstables for ladles, middle ... C)7—9 3.Usage: as the refractories materials used for refractory,abrasives,polishing,grinding,and petrol chemical industry,etc. ...