factory sales light weight insulation bricks refractory ...
Light Weight Fire Clay Insulation Brick - RS Refractory SupplierDescription for Light Weight Fire Clay Insulation Brick. Light Weight Fire Clay Insulation Brick is made of fire-clay grog as the raw material and plastic clay as the binding agent then adding suitable combustible or foaming agent through firing. Its apparent porosity is high about 40~85% […]
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