| 摘要 |
The invention relates to building, in particular, to complex additives used in preparation of concrete mixes and building mortars. A complex additive to concrete mixes and building mortars based on salt mix based on sodium thiosulphate and rodanide additionally comprises wooden saponated resin, weight %: wooden saponated resin 0.01-0.1; salt mix based on sodium thiosulphate and rodanide- the rest. The increasing of cold resistance, early and finished concrete strength is provided. |
