FIELD: building materials industry. SUBSTANCE: concrete mix comprises cement, filler, water, and additive. Additive is introduced into concrete mix in amount of 2-5% based on weight of cement. Additive comprises, wt parts: sodium formate based pentacrythrite production, waste 15- 17; lignopan includes industrial electrolyte modified lignosulfonates with molecular weight of 10-50 Kda, 1. EFFECT: frost-resistant plasticizing additive which retains stable properties for lengthy period of time and highly strong, frost resistant concrete which becomes hardened at temperatures up to -20 C at moderate consumption of additive. 9 cl, 2 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| CONCRETE MIX AND ADDITIVE TO CONCRETE MIX | 2000 |
|
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