| 摘要 |
FIELD: chemistry.SUBSTANCE: invention relates to compositions of ceramic mixtures which can be used in making facing tiles. The ceramic mixture for making facing tiles contains the following, sieved through sieve 008, wt %: kaolin 59.6-59.8; feldspar 23.0-25.0; phosphogypsum 0.2-0.4; quartz sand ground until passage through sieve 008 15.0-17.0. In another version, the ceramic mixture for making facing tiles contains the following, sieved through sieve 008, wt %: kaolin 59.6-59.8; feldspar 23.0-25.0; phosphogypsum 0.2-0.4; marshalite 15.0-17.0. The invention is developed in subclaims.EFFECT: high strength.4 cl, 2 tbl |
