Glass Material 21
Designation Glass for Corning 7052
Information and details for Glass Material 21. For further information, please contact us.
| Elan 21 Properties | |
| Coefficient of Expansion 0°-300° (× 10-7 cm/cm/°C) |
48.4 |
| Strain Point (°C) | 440 |
| Anealing Point (°C) | 484 |
| Softening Point (°C) | 707 |
| Working Point (°C) | 1128 |
| Density (g/cc) | 2.12/ 2.20 |
| Dielectric Constant (20°C/1 MHz) |
5.1 |
| Comments | Designation for Corning 7052 Matched seals with Tungsten or Kovar |