| 摘要 |
FIELD: construction. ^ SUBSTANCE: construction pertains to building materials industry and deals with compositions of glazes for coating of ceramic tiles. Mat-black tile glaze contains clay, silica sand, chalk, pyrolusit, lead melting slag with the following ratio of components, fraction weight: clay - 48-50; silica sand - 20-22; chalk - 2-3; pyrolusit - 7-8; lead melting slag - 13-17. ^ EFFECT: getting environmentally safe mat-black tile glaze. ^ 1 tbl |
