|
|  |
 |
| TECHNISCH GLAS - EIGENSCHAPPEN |
|
|
 |
TECHNISCH GLAS BESTAAT IN ZEER UITEENLOPENDE TYPEN. IEDER TYPE GLAS HEEFT ZIJN EIGEN CHEMISCHE EN FYSISCHE EIGENSCHAPPEN
|
|
|---|
|
|
QUARTZ |
BOROSILICATE |
SODA LIME |
GLAS CERAMIC |
| MATERIAL PROPERTIES |
|---|
| Density |
gr/cm3 |
2.2 |
2.23 |
2.50 |
2.53 |
| MECHANICAL PROPERTIES |
|---|
| E-modulus |
1010Pa |
7.2 |
6.3 |
7.3 |
9.1 |
|
|---|
| Poisson's ratio |
|
0.17 |
0.20 |
0.22 |
0.24 |
| THERMAL PROPERTIES |
|---|
| Transformation temperature |
°C |
1050 |
525 |
525 |
- |
|
|---|
| Thermal expansion |
10-6/K |
.55 |
3.3 |
9.1 |
0.05 |
|
|---|
| Thermal conductivity |
W/mK |
1.4 |
1.2 |
1.1 |
1.7 |
|
|---|
| Max. use temperature |
°C |
1000 |
500 |
450 |
600 |
| ELECTRICAL PROPERTIES |
|---|
| Specific restistance at 250°C |
Ohm.cm |
1012 |
108 |
107 |
106 |
<
|
