7. Values of Glass Transition Temperature (T g), Softening Temperature (T s) and Coefficient of Thermal Expansion (CTE, Estimated in the 50–400 °C Range) Obtained for the Different Glasses From Dilatometry.
| glass | Tg (°C) | Ts (°C) | CTE (×10–6 °C–1) |
|---|---|---|---|
| Nd | 486 | 510 | 14.6 |
| 1SnNd | 490 | 519 | 14.2 |
| 3SnNd | 475 | 507 | 14.1 |
| 5SnNd | 472 | 502 | 14.0 |
| 7SnNd | 468 | 490 | 14.0 |
| 9SnNd | 447 | 479 | 14.0 |