CRUDE MIXTURE FOR MAKING FACING TILE

摘要

FIELD: chemistry.SUBSTANCE: crude mixture for making facing tiles contains the following components, wt %: red-burning clay 87.0-92.0; fine quartz sand 7.0-11.0; spent grains from wine and cognac production 0.5-1.0; zinc oxide 0.5-1.0.EFFECT: high frost-resistance of facing tiles made from the crude mixture.1 tbl