| Composición
Química |
Component |
Amount
(% by mass) |
SiO2
|
80,4 |
| B2O3 |
13,0 |
| Al2O3 |
2,4 |
| Na2O+K2O |
4,2 |
| Propiedades
Físicas |
Scratch
hardness of glass on Mohs scale
|
6 |
| Allowable
tensile stress |
3,5 MPa |
| Allowable
bending stress |
7 MPa |
| Allowable
compressive stress |
100 MPa |
|
| Datos
Generales |
|
| Propiedades
Ópticas |
Refractive
index of Simax glass
(l = 589,30 nm) nd
|
1472 |
| Photoelastic
constant B |
3,6.10-6 MPa-1. |
|
|