LUSTRELESS BLACK TILE GLAZE

摘要

FIELD: chemistry.SUBSTANCE: invention relates to glaze compositions for applying on ceramic tiles. The lustreless black tile glaze contains the following components, pts.wt: clay 3-5; quartz sand 44-49; yellow lead 20-25; iron oxide 8-10; pyrolusite 8-10; bone ash 8-10.EFFECT: high frost resistance of the glaze.1 tbl