FIELD: chemistry.
SUBSTANCE: invention relates to industry of building materials and deals with compositions of raw materials for production of heat-insulating products. Raw material for heat-insulating products production contains, wt %: acidic non-caking clay 55.0 - 70.0, swollen perlite 20.0-25.0, kaolin 5.0-10.0, and silica gel 5.0-10.0.
EFFECT: increased strength of products.
1 tbl
| Title | Year | Author | Number |
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RU2445287C1 |
