FIELD: construction.
SUBSTANCE: invention relates to constructional materials and can be used as a complex additive to a mortar mixture when producing foam concrete. Complex additive for a foamed concrete mixture contains, wt%: esters of polycarboxylates of molecular weight from 400 to 2,000 mol 20, thiosulphate and sodium rhodanide 10, polyvinyl alcohol 0.15, water – the rest.
EFFECT: increased strength of foam concrete at compression, exclusion of corrosion of used metal formwork.
1 cl, 1 tbl, 1 ex
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|---|---|---|---|
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|
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|
RU2310617C1 |
