Mixing refractory cement with perlite
BUT I think overall KaoWool is much better. As one of refractory concrete suppliers, Rongsheng Refractory has the ability to produce high quality refractory concrete for Some synthetic materials, Cement & Chemicals, we use to procure the same from other part of the Country as per our requirement. EASY PERLITE OVEN - Building the Oven Tutorial.
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