RAW MATERIAL MIXTURE FOR PRODUCTION OF ENVELOPE OF COARSE FILLING MATERIAL Russian patent published in 2014 - IPC C04B14/00

Abstract RU 2506236 C1

FIELD: chemistry.

SUBSTANCE: invention relates to industry of construction materials. Raw material mixture for production of envelope of coarse filling material contains, wt %: Portland cement 30.0-34.0; urea 0.06-0.08; neutralised air-entraining resin 0.06-0.08; technical lignosulfonate LST 0.34-0.38; grinded and sieved through No 014 mesh quartz sand 29.5-35.5; water 34.0-36.0.

EFFECT: increased strength of envelope adhesion to surface of coarse filling material.

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RU 2 506 236 C1

Authors

Shchepochkina Julija Alekseevna

Dates

2014-02-10—Published

2012-10-05—Filed