We are industrial furnace refractory material suppliers,exported to more than 30 countries, the main products have high aluminum refractory brick, insulating brick, magnesia spinel brick, acid resisting brick and refractory products
Injection of alumina
Injection of alumina hollow ball is made of fused alumina hollow ball, compound binder, by vibration molding, high temperature firing of a heat insulating refractory material.
Linear Change after Reheating,≤（℃X12h）
The highest temperature,℃