摘要 |
FIELD: manufacture of building materials. SUBSTANCE: mix designed for use when laying floors or filling wall pits is composed of, wt %: cement, 31.5-72; aluminum powder 0.05-0.12; polyethylene oxide with molecular weight (4.1-6.0) <EMI ID=0.216 HE=6 WI=9 TI=CHI>, 0.001-0.01; and water, the balance. Mix can also contain sand at its ratio to cement (0.3-0.5):1. EFFECT: increased building quality and serviceability. 2 cl, 2 tbl |