| 摘要 |
FIELD: construction. ^ SUBSTANCE: ceramic mass contains clay and phosphoric slurry, at the following ratio of components, wt %: clay 72.0-75.0; phosphoric slurry 25.0-28.0. Phosphoric slurry contains 90-95% of glass phase and is characterised with the following chemical composition, wt %: SiO2 - 40.0-43.0; Al2O3 - 1.0-3.0; Fe2O3 - 0.4-1.0; CaO - 42.0-49.0; MgO - 3.0-4.0; SO3 - 2.0-3.0; P2O5 - 0.9-3.0. ^ EFFECT: improved strength of products. ^ 1 tbl |
