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 ^oc
3.3±0.1 (10-6K-1)
b) Transformation temperature: 525±15^oc
c) Working point: 1,260 ±20^oc
d) Softening point: 820 ±10^oc
e) Density at 20^oc: 2.23g/m²
f) Hydrolytic resistance at 98^oc: ISO719-HGB1
g) Hydrolytic resistance at 121^oc: ISO720-HGA1
h) Acid resistance class: ISO1776-1
i) Alkali resistance class: ISO695-A2

Packing: export carton