wholesale jm23/26/28 mullite insulation insulating fire ...
JM23 Insulation brick - Sijihuo Refractory JM23 Insulation brickJM23 JM26 JM28 insulating fire brick IFB/mullite insulation fire brick. JM23 insulation brick is color of white insulating fire brick, with light Weight, based on aluminum silicate refractory materials. It's made from high-purity refractory clays with graduated additions of alumina for applying in higher temperature working ...
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