OPAQUE GLASS Russian patent published in 1994 - IPC

Abstract RU 2016861 C1

FIELD: glass industry. SUBSTANCE: opaque glass has, wt.-%: silicon oxide (SiO₂) 61.05-63.66; aluminium oxide (Al₂O₃) 0.86-0.92; calcium oxide (CaO) 9.18-9.94; potassium oxide (K₂O) 4.45-4.63; sodium oxide (Na₂O) 14.59-15.23; arsenic oxide (As₂O₃) 0.27-0.29; phosphorus pentoxide (P₂O₅) 2.5-5.4; fluoride (F′) 0.98-1; barium oxide (BaO) 2.18-2.28, and antimony oxide (Sb₂O₃) 0.27-0.29. Making temperature is 1370-1380 C, caking point is 910-920 C. Glass is used for making of facing materials. EFFECT: enhanced quality of glass. 3 tbl

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RU 2 016 861 C1

Authors

Sinevich A.K.

Mastitskaja Zh.L.

Fijas' A.V.

Dates

1994-07-30—Published

1991-04-23—Filed