Single piece fireproof glass
| Application Number: | 200510017489.4 | Application date: | 2005.04.02 |
| name: | Single piece fireproof glass | ||
| Public (announcement) number: | CN1840495 | Public (announcement) day: | 2006.10.04 |
| Main classification number: | C03C3/087(2006.01)I | The original application number of the division: | |
| Classification number: | C03C3/087(2006.01)I; C03C4/00(2006.01)I | ||
| Award day: | priority: | ||
| Application (patent) person: | China Luoyang Float Glass Group Co., Ltd. | ||
| address: | No.9 Tanggong Middle Road, Xigong District, Luoyang City, Henan Province, China | ||
| Invention (design) person: | Zhang Chi; Jiang Hong; Zhao Xiaomin; Li Junge; Chen Yu | International application: | |
| International announcement: | Enter country date: | ||
| Patent agency: | Zhengzhou Zhongmin Patent Agency Co., Ltd. | agent: | Guo Zhongmin |
The invention relates to a single piece fireproof glass with a lower expansion coefficient, a high expansion softening temperature and a high softening temperature for blocking the spread of open flame. It is characterized by weight composition, which comprises the following composition: SiO2 63-70%, Al2O3 12.5-19%, MgO 1-4%, CaO 6-10%, SrO 0.5-3%, BaO 0.5-2%, K2O 0 to 1%, Li2O 0 to 1%, and Na2O 6 to 10%. The single-piece fireproof glass has a coefficient of expansion of 60 to 70×10-7/° C., an expansion softening temperature exceeding 700° C., a softening temperature exceeding 800° C., and a physical tempering treatment temperature of 670 to 740° C.
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