Infrared glass
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1. characteristics
| Type | Thickness (mm) |
A[2856k] | D65 | Chemical Stability | ND | α×10-7 (℃) |
Tg (℃) |
Ts (℃) |
S | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| x | y | Y | x | y | Y | DA | DW | |||||||
| HWB1 | 1 | 0.612 | 0.260 | 0.2 | 0.325 | 0.111 | 0.1 | 1 | 3 | 1.525 | 2.53 | |||
| HWB3 | 1 | 1 | 3 | 1.525 | 2.53 | |||||||||
| HWB4 | 1 | 1 | 3 | 1.5253 | 2.53 | |||||||||
2. Technical Indexes
| Type | Thickness (mm) |
400 (nm) |
700 (nm) |
800 (nm) |
860 (nm) |
900 (nm) |
1100 (nm) |
|---|---|---|---|---|---|---|---|
| HWB1 | 1 | ≤14.0 | ≤6.0 | ≤30.0 | ≥85.5 | ||
| HWB3 | 1 | ≤0.5 | ≤1.0 | ≤37.0 | ≥75.0 | ||
| HWB4 | 1 | ≤0.1 | ≤5.0 | ≤38.0 | ≥75.0 |
3. Class Of Bubble、Stripe、Stress
| Type | Bubble | Stripe | Stress |
|---|---|---|---|
| HWB1 | C-B | 4 | 3 |
| HWB3 | C-B | 4 | 3 |
| HWB4 | C-B | 4 | 3 |
4. Transmittance
