Infrared glass
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 | |||||||
| HWB760 | 3 | 5 | 4 | 1.532 | 111 | 534 | 592 | 2.77 | ||||||
| HWB780 | 3 | 5 | 4 | 1.532 | 111 | 534 | 592 | 2.77 | ||||||
| HWB800 | 3 | 5 | 4 | 1.520 | 98 | 559 | 615 | 3.05 | ||||||
| HWB830 | 3 | 5 | 4 | 1.520 | 98 | 559 | 615 | 3.05 | ||||||
| HWB850 | 3 | 5 | 4 | 1.520 | 98 | 559 | 615 | 3.05 | ||||||
| HWB900 | 6 | 3 | 3 | 2.57 | ||||||||||
| *HWB930 | 6 | 3 | 3 | 2.57 | ||||||||||
2. Technical Indexes
| Type | Thickness (mm) |
λtj (nm) |
λ0 (nm) |
Tλ0 (%) |
K |
|---|---|---|---|---|---|
| HWB760 | 3 | 760±10 | 850 | ≥83.6 | ≥0.6 |
| HWB780 | 3 | 780±10 | 900 | ≥83.6 | ≥0.5 |
| HWB800 | 3 | 800±10 | 900 | ≥83.6 | ≥0.5 |
| HWB830 | 3 | 830±10 | 930 | ≥83.6 | ≥0.5 |
| HWB850 | 3 | 850±10 | 950 | ≥80.0 | ≥0.5 |
| HWB900 | 6 | 930±15 | 1050 | ≥80.0 | ≥0.2 |
| *HWB930 | 6 | 930±15 | 1050 | ≥80.0 | ≥0.2 |
3. Class Of Bubble、Stripe、Stress
| Type | Bubble | Stripe | Stress |
|---|---|---|---|
| HWB760 | C-B | 3C | 3 |
| HWB780 | C-B | 3C | 3 |
| HWB800 | C-B | 3C | 3 |
| HWB830 | C-B | 3C | 3 |
| HWB850 | C-B | 4 | 3 |
| HWB900 | C | 3C | 3 |
| *HWB930 | C | 3C | 3 |
4. Transmittance
