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    • Hard Glass Bulb - China

    price: contact company for price

    No product photo

    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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