PROCESS FOR HYDROPHOBIZATION OF FOAM CONCRETE ARTICLES Russian patent published in 1994 - IPC

Abstract RU 2022949 C1

FIELD: manufacture of waterproof cellular concrete articles. SUBSTANCE: surface of foam concrete articles is treated with admixture of a 8-16 % aqueous solution of sodium alkylsiliconate and a 4-8 % solution of phosphoric acid residues from double superphosphate production, 1:1 at pH 5-6. EFFECT: improved water-repelling capacity. 1 tbl

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RU 2 022 949 C1

Authors

Tarasov V.I.

Bochkov V.I.

Novokhatskij V.K.

Dates

1994-11-15—Published

1991-04-30—Filed