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Highlighted Companies

Hard Glass Bulb - China

price: contact company for price

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Products Photos Catalog Hard Glass Bulb Photos Catalog

Technical Data: Lighting Bulb

Physical Data

Physical performance LN4.0 Unit

Medium coefficient of linear expansion α 20/300 40.5±1.0 10-6k-1

Viscosity temperatures(dPas): 107.6 softening point 770±10 ℃

1013.2upper temperature 555±10 ℃

Strain point temperature 505±10 ℃

Temperature for the specific

Electrical resistance of 108

cm(dim52356)tk100t

≥235 ℃

Thermal stability ≥235 ℃

20℃Density ρ 2.26±0.015 G/cm3

Water resistance 1

Hard Glass Bulb

Please see our contact information below


Company Contact:


  • Phone: 8653167888660

  • Address: Room 331, Shengkai Fortune Plaza, No. 29 Luoyuan S, Jinan , China

  • Email: Email


Published date: September 7, 2012

  • Business Description: We are one of the leading suppliers of special glass and related products in China.

    We mainly produce borosilicate glass tube and rod, borosilicate float glass, borosilicate profile glass tube and rod;pharmaceutical glass packaging: galss vial and ampoule, neutral glass tube, molded injection vial, infusion bottle, rubber stopper, blood collection tube, test tube; lighting glass: soda lime glass tube, 21% lead glass tube, lead free glass.

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