Technical Data
| Coefficient of Thermal Expansion | 3.3 × 10 -6 K -1 (20 ~ 300℃) |
| Softening Point | 820℃ ± 10℃ |
| Density | 2.23 g/cm3 |
| Thermal Shock Resistant | ≥ 125 K |
| Max. Working Termperature | ≥ 450℃ |
| Visible Light Transparency | 92% (thickness ≤ 4mm) |
| 91% (thickness ≥ 5mm) | |
| Refractive Index | 1.47384 |
| Glass Thickness | 3.8mm / 4mm / 5mm |
| (other thicknesses are on request) |