FIELD: construction.
SUBSTANCE: invention relates to construction materials and can be used as a complex additive in a solution mixture during production of foam concrete. Complex additive for foam-concrete mixture contains, wt. %: calcium carbonate with grinding fineness of 3,000 cm2/g 91.0–93.0, sodium chloride 1.6–2.0, a composition containing, wt. %: polyvinyl acetate polymer 85-90, dibutyl phthalate - not less than 5, water - up to 10, 5.4-7.0.
EFFECT: technical result is high frost resistance and strength when compressing foam concrete.
1 cl, 1 tbl, 1 ex
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Authors
Dates
2019-05-22—Published
2018-05-11—Filed