Borosilicate glass composition for the production of glass tubes and its use for the production of glass tubes and as a cladding tube for lamps

Borosilicate glass, which has the following components (in mol% on an oxide basis.): SiO 74-81 B 8.5 to 14.5 Al 0.5-3.5 Na 1.5-3.5 K 1.0-2.0 Li 0-1.0 MgO 0.5-1.5 CaO 0.5-1.5 BaO 0-0.6 TiO 2.0-3.5 ZrO 0-1.0 as well as refining Sb 0-0.15 CeO 0-0.5 0-0.5 and a molar ratio of 0.4

Keywords:

• Oxide
• Refining (metallurgy)
• Cladding (metalworking)
• Chemical engineering
• Borosilicate glass
• Composition (visual arts)
• Materials science
• molar ratio

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