SJB20
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 | |||||||
| SJB20 | 2 | 0.469 | 0.413 | 87.8 | 0.339 | 0.349 | 83.6 | 2 | 3 | 1.525 | 87 | 571 | 642 | 2.63 |
2. Technical Indexes
| Type | Thickness (mm) |
V(Mired) | |
|---|---|---|---|
| standard | range | ||
| SJB20 | 2 | 20 | 20±2 |
3. Class Of Bubble、Stripe、Stress
| Type | Bubble | Stripe | Stress |
|---|---|---|---|
| SJB20 | C | 3C | 3 |
4. Transmittance
