Description
Color Borosilicate Glass Rods COE3.3, Color Borosilicate Glass Rod, Color Pyrex Glass Rods, Color Pyrex Glass Rod
Borosilicate glass 3.3 rod are in 22 colors: jade white, opaque white , opaque black ,transparent black , blue A , blue B , blue C , blue D , blue E , blue EE , teal , green ,light green ,strike red ,amber , yellow , golden champagne , light yellow , cognac , pink , purple and clear.
For blue series, from A to EE, the colors are from dark to light.
Normal sizes are
O.D.: 4-42mm
Length:1200mm
We can also make special size for you in O.D. from 3.5 to 46mm and length less than 2500mm.
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%
Physical and Chemical Properties
a) Coefficient of mean linear thermal expansion (20/300℃):3.3±0.1(10-6K-1)
b) Transformation temperature: 525±15℃
c) Melting point: 1,260±20℃
d) Softening point: 820±10℃
e) Density at 20℃:2.23g/cm2
f) Hydrolytic resistance at 98℃: ISO719-HGB1
g) Hydrolytic resistance at 121℃: ISO720-HGA1
h) Acid resistance class: ISO1776-1
i) Alkali resistance class: ISO695-A2
