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 the foam concrete mixture contains, wt. %: sodium fluoride 21–25, a composition containing, wt. %: polyvinyl acetate polymer 85–90, dibutyl phthalate - not less than 5, water - up to 10, 75–79.
EFFECT: technical result is reduction of coefficient of heat conductivity and increase of damping decrement d.
1 cl, 1 tbl, 1 ex
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Authors
Dates
2019-05-29—Published
2018-05-11—Filed