GLASS FOR FIBER GLASS MAKING Russian patent published in 1994 - IPC

Abstract RU 2017695 C1

FIELD: glass industry. SUBSTANCE: glass has, wt.-%: silica (SiO₂) 57-60; alumina (Al₂O₃) 24-26; magnesium oxide (MgO) 4-9; calcium oxide (CaO) 6-10; titanium oxide (TiO₂) 0.4-0.8; zirconium oxide (ZrO₂) 0.07-0.15; ferric oxide (Fe₂O₃) 0.2-0.45; sodium oxide (Na₂O) 0.05-0.3; potassium oxide (K₂O) 0.05-0.3. Properties: fiber strength is 3800-4100 MPa, forming point is 1340-1390 C, viscosity at forming point is 10^3,1- 10^3,5 П Poise. Glass is used for reinforcement of structural fiber glass plastics. EFFECT: enhanced quality of material. 2 tbl

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RU 2 017 695 C1

Authors

Trofimov N.N.

Khazanov V.E.

Dobroskokin N.V.

Shaina Z.I.

Trofimov A.N.

Dates

1994-08-15—Published

1992-04-13—Filed