refractory lightweight mullite insulating fire brick ...
Mullite Insulation Brick - RS Refractory Bricks ManufacturerMullite Insulation Brick is a kind of quality refractory insulation materials for resisting high temperature with features of light weight, low thermal conductivity, thermal insulation and high compression strength in the high temperature furnaces or kilns. Mullite Insulation Bricks are mainly used for the top of hot blast […]
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