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High borosilicate glass tubes, 2mm wall thickness inner stripe glass tube

Short Description:


  • Payment Terms: L/C,D/A,D/P,T/T
  • Model number: hexagon shaped 3.3 borosilicate glass tube/rod
  • Melting point: 750℃
  • Material: Stained/Tinted Borosilicate 3.3 Glass
  • SiO2 Purity: >99.99%
  • Thickness: 0.8-15mm
  • Edge Treament: Polished edges, grinded edges, rough
  • Dimension Tolerance: ±1.0
  • Deep processing: Trim Cutting, Fire Polishing
  • Product Detail

    Product Tags

    Technical Data of the High Borosilicate Glass:

    1. Chemical composition:

    SiO2>78%  B2O3>10%

    2. Physical and Chemical Properties:

    Coefficient of expansion (3.3±0.1)×10-6/°C
    Density 2.23±0.02
    Water resistant Grade 1
    Acid resistance Grade 1
    Alkaline resistance Grade 2
    Softening point 820±10°C
    Thermal shock performance ≥125
    Maximum working temperature 450°C
    Tempered max. working temperature 650°C

    3. Main Technical Parameters:

    Melting point 1680°C
    Forming temperature 1260°C
    Softening temperature 830°C
    Annealing temperature 560°C

     

    Borosilicate striped tube7 Borosilicate striped tube4 Borosilicate striped tube2 未标题-2 striped tube3striped tube4

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

    Package Details

    微信截图_20190414093101

    GEHRH


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