1 Chemical Composition
|
Composition |
SiO2 |
Al2O3 |
CaO+MgO |
Na2O |
K2O |
Others |
|
wt% |
71 |
2 |
8 |
16 |
2 |
1 |
2 Physical Characteristics
|
Coefficient of mean linear thermal expansion |
Softening point
0C |
Annealing point
0C |
Density(g/cm3) |
Light transmiting |
|
98.0X10-7/0C |
695 |
514 |
2.47 |
(546nm)92% |
The regular sizes are diameter 7mm till 35mm. We also can make your customized sizes.
|