CEMENT Russian patent published in 1998 - IPC

Abstract RU 2119897 C1

FIELD: manufacture of building materials. SUBSTANCE: cement contains Portland cement clinker and 1-4 wt % of sulfate component consisting: gypsum, 30-70%; and fluoroanhydride, 30-70%. Cement may additionally contain 3-20% (above 100%) nepheline oil. EFFECT: reduced consumption of natural raw material, improved quality of cement, and simplified manufacturing technology. 2 cl, 2 tbl

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RU 2 119 897 C1

Authors

Osipov A.A.

Chashchin S.O.

Shirokov V.I.

Dates

1998-10-10Published

1998-04-22Filed