insulating refractory bricks jm23 - Alibaba.com
Mullite Insulating Fire Brick JM23 JM26 JM28 Advantage 1. Low thermal conductivity 2.High hot compressive strength 3.Perfect Energy saving Mullite Insulation Brick Description : Lightweight mullite refractory bricks are made from good quality and superpure raw materials, with strictly classified fillings according to their grades.
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