发明申请
US20100216624A1 GLASS COMPOSITION FOR LAMP, GLASS PART FOR LAMP, AND PROCESS FOR PRODUCING LAMP OR GLASS COMPOSITION FOR LAMP 失效
用于灯的玻璃组合物,灯的玻璃部件和用于生产灯的玻璃组合物的方法

GLASS COMPOSITION FOR LAMP, GLASS PART FOR LAMP, AND PROCESS FOR PRODUCING LAMP OR GLASS COMPOSITION FOR LAMP
摘要:
A glass composition for lamps includes the following by weight percent: SiO2: 60-75 wt %; CeO2+Ce2O3: 0.01-5.2 wt %; SnO+SnO2: 0.01-5.2 wt %; Al2O3: 0.5-6 wt %; B2O3: 0-5 wt %; Li2O+Na2O+K2O: 13-20 wt %; MgO: 0.5-5 wt %; CaO: 1-10 wt %; SrO: 0-10 wt %; BaO: 0-10 wt %; ZnO: 0-10 wt %; Fe2O3+FeO: 0-0.2 wt %; and TiO2: 0-1 wt %. The glass composition for lamps that contains no lead or antimony achieves high ultraviolet screening capacity, ensuring fewer occurrences of initial coloring and ultraviolet ray caused coloring of glass.
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