| 摘要 |
<p>FIELD: building materials industry, more particularly mortar for stone masonry and plastering. SUBSTANCE: mortar comprises cement, sand, water and foam- forming additive based on sodium stearate, and sand which results from metallurgical production molding waste, ratio of components being as follows, wt %: cement, 24- 28; molding waste, 56-60; foam-forming additive based on sodium stearate C<SB>17</SB>H<SB>35</SB>COONa, 8-10; and water, 8-6. Mortar is recommended for doing plastering and brick work. EFFECT: improved heat protecting means, greater water retaining power and reduced stratification. 3 cl, 1 ex, 1 tbl</p> |
