FIELD: manufacture of building materials.
SUBSTANCE: chemical additive contains 69.5-78 sodium chloride, 0.05-0.5% sodium hexametaphosphate, and crude lignosulfonates (the rest).
EFFECT: prolonged fluidized state of concrete mixes and building mortars, increased compaction strength of cement concretes, imparted tolerance of cement concretes and building mortars to steel reinforcement, and prevented appearance of wall saltpeter.
2 ex
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CHEMICAL ADDITION AGENT FOR CEMENT CONCRETES AND MORTARS | 2004 |
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|
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|
RU2359935C2 |
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|
RU2527467C2 |
Authors
Dates
2005-06-27—Published
2004-03-12—Filed