Mullite bricks for glass kiln

The main component of mullite brick is Al2O3, its content is about 75%, mainly mullite crystals, so it is called mullite brick. The density is 2.7～32g/cm3, the opening rate is 1%～12%, and the maximum operating temperature is 1500～1700℃. Sintered mullite is mainly used for building the walls of regenerators.

Melted mullite is mainly used for masonry such as pool walls, observation holes, and wall buttresses.