摘要 |
FIELD: chemistry.SUBSTANCE: ceramic mixture for making brick contains high-melting clay, quartzite, bentonite, sodium tripolyphosphate and wollastonite, with the following ratio of components, wt %: high-melting clay - 72.85-74.75; quartzite - 15.0-17.0; bentonite - 3.0-5.0; sodium tripolyphosphate - 0.15-0.25; wollastonite - 5.0-7.0.EFFECT: high frost-resistance of articles.1 tbl |