| 摘要 |
FIELD: building industry. ^ SUBSTANCE: invention relates to composite of raw mixture used for preparing clinker for sulfate-resistant Portland cement and can be used in industry of building materials. Raw mixture for preparing clinker for sulfate-resistant Portland cement comprises carbonate component, the erupted volcanic rock and, additionally, clay and correcting iron additive. Indicated rock comprises solid solutions of augitic-anorthite or hypersthene-augitic-diabase order in the following ratio of components, wt.-%: carbonate component, 60-85; clay, 10-20; iron additive, 1-8; indicated rock, the balance. ^ EFFECT: expanding raw base for preparing sulfate-resistant Portland cement, enhanced resistance to cold. ^ 2 cl, 2 tbl |
