| 摘要 |
FIELD: chemistry. ^ SUBSTANCE: invention relates to composition of gypsum-concrete mix and can be used in the industry of building materials for making slabs and panels. The gypsum-concrete mix contains the following in wt %: gypsum 26.0-30.0, chamotte with specific surface area of 2500-4000 cm2/g 39.5-46.5, polysiloxane 0.5-1.5; water 17.0-30.0. ^ EFFECT: high water resistance. ^ 1 tbl |
