GLASS COMPOSITION FOR GLASS FIBER, GLASS FIBER, GLASS FIBER FABRIC, AND GLASS FIBER-REINFORCED RESIN COMPOSITION

A glass composition includes 59.00 to 65.00% by mass of SiO2, 16.00 to 26.00% by mass of B2O3, 7.00 to 14.00% by mass of Al2O3, 0 to 5.00% by mass of CaO, 0 to 4.00% by mass of MgO, 0 to 6.00% by mass of SrO, 0.10 to 5.00% by mass of TiO2, 0 to 2.00% by mass of F2 and Cl2 in total, less than 0.20% b...

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Hauptverfasser: HOSOKAWA, Takanobu, KURITA, Tadashi, NONAKA, Takashi
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:A glass composition includes 59.00 to 65.00% by mass of SiO2, 16.00 to 26.00% by mass of B2O3, 7.00 to 14.00% by mass of Al2O3, 0 to 5.00% by mass of CaO, 0 to 4.00% by mass of MgO, 0 to 6.00% by mass of SrO, 0.10 to 5.00% by mass of TiO2, 0 to 2.00% by mass of F2 and Cl2 in total, less than 0.20% by mass of P2O5, and less than 1.00% by mass of Na2O, K2O and Li2O in total, wherein the ratio of TiO2 to the total content of CaO, MgO, and SrO (TiO2/(CaO+MgO+SrO)) is from 0.66 to 4.00, and the content SI of SiO2 and the content A of Al2O3 satisfy the following formula (1): 1.00≤1000×A/SI2≤4.65 (1).