GLASS COMPOSITION, GLASS FIBER, GLASS CLOTH, AND GLASS FIBER PRODUCTION METHOD

The present disclosure provides a novel glass composition that has a low permittivity and is suitable for mass production. A glass composition provided satisfies, in wt%, for example, 40 ≤ SiO2 ≤ 60, 25 ≤ B2O3 ≤ 45, 0 < Al2O3 ≤ 18, 0 < R2O ≤ 5, and 0 ≤ RO ≤ 12, and satisfies at least one of: i...

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Bibliographische Detailangaben
Hauptverfasser:	NAKAMURA, Aya, KURACHI, Junji, HATTORI, Kohji, FUKUCHI, Hidetoshi, SAWAI, Riku, NAWA, Yoshito, MIYAZAKI, Takaharu
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY GLASS JOINING GLASS TO GLASS OR OTHER MATERIALS METALLURGY MINERAL OR SLAG WOOL SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS
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Beschreibung
Zusammenfassung:	The present disclosure provides a novel glass composition that has a low permittivity and is suitable for mass production. A glass composition provided satisfies, in wt%, for example, 40 ≤ SiO2 ≤ 60, 25 ≤ B2O3 ≤ 45, 0 < Al2O3 ≤ 18, 0 < R2O ≤ 5, and 0 ≤ RO ≤ 12, and satisfies at least one of: i) SiO2 + B2O3 ≥ 80 and SiO2 + B2O3 + Al2O3 ≤ 99.9; and ii) SiO2 + B2O3 ≥ 78, SiO2 + B2O3 + Al2O3 ≤ 99.9, and 0 < RO < 10. Another glass composition provided includes SiO2, B2O3, Al2O3, R2O, and 3 < RO < 8 at the same contents as the above, and satisfies SiO2 + B2O3 ≥ 75 and SiO2+ B2O3+ Al2O3 < 97, where R2O = Li2O + Na2O + K2O and RO = MgO + CaO + SrO.