GLASS FOR GLASS FIBER Russian patent published in 1997 - IPC

Abstract RU 2077515 C1

FIELD: production of glass fiber. SUBSTANCE: proposed glass contains 58-67 mass% of silicium oxide having essential formula SiO₂, 3-7.7 mass % of aluminium oxide having essential formula Al₂O₃, 0.3-1 mass % of ferrum oxide having essential formula Fe₂O₃,, 8-12 mass % of sodium oxide having essential formula Na₂O, 2-4 mass % of magnesium oxide having essential formula MgO, 2-5 mass % of boron oxide having essential formula B₂O₃, 0.3-3 mass % of barium oxide having essential formula BaO, 0.4-2 mass % of titanium oxide having essential formula TiO₂. Summary amount of aluminium oxide and ferrum oxide Al₂O₃+Fe₂O₃ is 4-8 mass %. Boiling point of desired glass is 1470-1500 C, rate of glass formation being 26-30 min. EFFECT: improved quality of desired product. 2 tbl

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RU 2 077 515 C1

Authors

Budov V.M.

Fedorova V.A.

Belova N.A.

Tokarev V.D.

Savinov B.A.

Mel'Nikov V.A.

Dates

1997-04-20—Published

1992-06-29—Filed