| 摘要 |
PROBLEM TO BE SOLVED: To provide glass for a fluorescent lamp which is not discolored into black upon production, and further has characteristics equal to or above those of the conventional soda lime glass, to provide a glass tube for a fluorescent lamp composed of the glass, and to provide a fluorescent lamp produced using the glass tube. SOLUTION: The fluorescent lamp is produced by using the glass tube composed of soda lime glass comprising, by weight, 2 to 9% CaO, 0.9 to 6.9% K<SB>2</SB>O and 0 to 3% BaO, and having an Sb<SB>2</SB>O<SB>3</SB>content of≤0.1% and a TiO<SB>2</SB>content of 0.05 to 10% for its envelope. COPYRIGHT: (C)2007,JPO&INPIT
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