CRUDE MIXTURE FOR PRODUCING HEAT-INSULATING MATERIALS

摘要

FIELD: chemistry. ^ SUBSTANCE: invention relates to construction materials as well as to production of artificial heat-insulating materials. The crude mixture for producing heat-insulating materials contains the following in wt %: quarry diatomite 53-67, dry diatomite powder or powdered wastes from abrasive treatment of calcined foamed diatomite articles with moisture of not more than 8% 5-10, chalk 10-12, calcined soda 17-22, oil coke 1-3. ^ EFFECT: reducing average packed density while preserving compression strength. ^ 1 tbl