factory supply jm23 lightweight high alumina mullite ...
Mullite White Thermal Insulation Bricks JM23 JM26 ISO9001. White color Mullite lightweight insulating fire brick JM23 JM26 JM28 for Furnace masonry Lightweight Mullite Insulation fire Bricks use stintered mullite clinker, industrial alumina, conbined with clay as the raw materials, as the main raw material, usually product by combustible method, chemical method or foam …
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