hollow alumina bricks

Alumina Bubble Bricks is a heat-insulating refractory product made of alumina hollow balls as the main raw material. It is mainly used as the lining of high-temperature industrial furnaces below 1800℃ and the thermal insulation layer of high-temperature thermal equipment. Rongsheng refractory material manufacturer can provide high-quality high-temperature refractory lining material products for high-temperature industrial … Read more