high performance special corundum mullite fire brick in ...
Mullite Fire Brick - Insulating Brick For Sale- RS Kiln Refractory BricksMullite fire brick is a kind of high alumina refractory with mullite as the principal crystalline phase and contains 65~75% alumina content. with lower alumina content also contain a small amount of glass phase and cristobalite, and some that Refractory Fire Bricks For Sale […]
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