RAW MIXTURE FOR GYPSUM ARTICLE MAKING Russian patent published in 1995 - IPC

Abstract RU 2028989 C1

FIELD: industry of building materials. SUBSTANCE: raw mixture has, wt. -% : portland cement 5-10; CaCO₃ 10-15; K₂SO₄ 5-10; CaOSiO₂ 2-4; CaO x Fe₂O₃ 1-3; dehydrated clay 1-3, and phosphorus semihydrate - the rest. Strength of freshly formed articles is 1.5 MPa. EFFECT: enhanced quality of articles. 2 tbl

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RU 2 028 989 C1

Authors

Sycheva L.I.

Kuznetsova T.V.

Anufriev M.V.

Davidenko I.B.

Udachkin I.B.

Makarov A.N.

Dates

1995-02-20—Published

1991-10-28—Filed