Detailed Product Description

Features:
1) Available colors: dark blue, light blue, amber, light yellow, green, 
    pink, purple, red and opaque black 
2) Regularly stocked rod diameter: 3-45mm
3) Regularly stocked rod length: 1,200mm
4) Customized sizes are available (outside diameter: 3.5-46mm)
5) Main composition:
    a) SiO2: 80 ±0.5%    
    b) B2O3: 13 ±0.2%
    c) Al2O3: 2.4 ±0.2%
    d) Na2O (+K2O): 4.3 ±0.2%
6) Chemical properties: 
    a) Coefficient of mean linear thermal expansion (20/300°C 
    3.3±0.1 (10-6K-1)
    b) Transformation temperature: 525±15°C
    c) Working point: 1,260 ±20°C
    d) Softening point: 820 ±10°C
    e) Density at 20°C: 2.23g/m²
   f) Hydrolytic resistance at 98°C: ISO719-HGB1
    g) Hydrolytic resistance at 121°C: ISO720-HGA1 
    h) Acid resistance class: ISO1776-1 
    i) Alkali resistance class: ISO695-A2 

Packing: export carton