본 발명은, 산화물 기준의 몰 백분율로, SiO2 57 내지 70%, Al2O3 5 내지 15%, B2O3 15 내지 24%, MgO 0.2 내지 10%, CaO 0.1 내지 7%, SrO 0.1 내지 2.5%, BaO 0 내지 10%, ZnO 0 내지 0.1%를 포함하고, [Al2O3]/[B2O3]으로 표현되는 식 (A)의 값이 0.35 초과, 1.4 이하인, 무알칼리 유리.

    By mole percent of oxides, this alkali-free glass contains 57-70% SiO2, 5-15% Al2O3, 15-24% B2O3, 0.2-10% MgO, 0.1-7% CaO, 0.1-2.5% SrO, 0-10% BaO and 0-0.1% ZnO, and the value of expression (A) represented by [Al2O3]/[B2O3] is greater than 0.35 and less than or equal to 1.4.


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    Title :

    ALKALI-FREE GLASS AND GLASS PLATE


    Additional title:

    무알칼리 유리 및 유리판


    Publication date :

    2025-06-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B60J WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES , Fenster, Windschutzscheiben und bewegbare Dächer, Türen oder Ähnliches für Fahrzeuge / C03B Herstellung oder Formgebung von Glas, Mineral- oder Schlackenwolle , MANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL / H05K PRINTED CIRCUITS , Gedruckte Schaltungen / C03C Chemische Zusammensetzungen für Gläser, Glasuren oder Emails , CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS / G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung / H01Q Antennen , ANTENNAS, i.e. RADIO AERIALS



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