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    Borosilicate Color Glass Tubing ＆ Rod

    Positionname ： Home > Borosilicate Color Glass Tubing ＆ Rod

    Our Products

    Borosilicate Color Glass Tubing&Rod

     

     

     

     

    Main Composition:

    SiO2: 81%

    B2O3: 13%

    Na2O/K2O: 4%  

     Al2O3:2%

     

    Physical Property

    No.

    Physical performance

    Numerical Value

    Unit

    1

    Coefficient of mean linear thermal expansion(20℃,300℃)

    3.3±0.1

    10-6K-1

    2

    Transformation temperature

    525±15

    ℃

    3

    Softening point

    820±10

    ℃

    4

    Working point

    1260±20

    ℃

    5

    Density at 20℃

    2.23±0.02

    g/cm3

    6

    Mean thermal conductivity(20℃-100℃)

    1.2

    w/m2k

    7

    Refractive index

    0.92

    1

     

     

    The regular stockedsizes are 12X2mm, 14X2mm, 16X2mm, 22X2mm, 25X4mm, 32X32.2mm, 32X4mm, 38X3.2mm, 38X4mm, 44X3.2mm, 44X4mm, 51X4mm and 51X4.8mm. Also we can make the size according to your requirement.

    Now we have Green, Jade Green, Pink, Milky Pink, Blue, Light blue, Black, Yellow, Amber, Opaque Topaz, Purple Color etc are available.

     

     

     

     

     

     

     

         

     

     

         

     

     

        

     

     

       

     

       

     

     

     

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