| 摘要 |
Disclosed is a glass plate having a low BOcontent, which can be used as a glass plate for LCD panels or the like. Specifically disclosed is a glass plate containing, in terms of oxides, 53-74 mass % of SiO, 15-23 mass% of AlO, 0-3 mass% of BO, 2-17 mass% of MgO, 0-12 mass% of CaO, 0-6 mass% of SrO, with MgO + CaO + SrO being 6-28 mass%, 0-9 mass% of NaO, and 0-6 mass% of KO with NaO + KO being 0.8-11 mass%, as a glass matrix composition. This glass plate further contains 100-500 ppm of SO, while having an average thermal expansion coefficient of not more than 60 × 10/°C within the temperature range from 50°C to 350°C and a strain point of not less than 600°C.
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