| 摘要 |
Provided is an alkali-free glass, comprising, as a glass composition in terms of mass %, 58 to 70% of SiO2, 15.5 to 20% of Al2O3, 0 to 1% of B2O3, 0 to 5% of MgO, 3.5 to 16% of CaO, 0.5 to 6.5% of SrO, and 5 to 15% of BaO, being substantially free of alkali metal oxides, and having a strain point of more than 725° C.
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