L-NBH54
We developed eco optical glass L-NBH54 which has a low transformation point, high refractive index, and high dispersion.
| | L-NBH54 |
|---|
| Eco Optical Glass |
○ |
| Refractive Index nd | 1.90200 |
|---|
| Abbe Number νd | 25.1
25.10 |
|---|
CTE α
(10-7/°C) |
-30～70°C |
81 |
| +100～300°C |
99 |
| Transformation Point Tg(°C) | 547 |
|---|
| Yield Point At(°C) | 586 |
|---|
| Coloring |
λ70 |
440 |
| λ5 |
370 |
| Chemical Resistance |
RW(P) |
1 |
| RA(P) |
1 |
| W(S) |
4 |
| SR |
2.0 |
| PR |
1.0 |
| Specific Gravity | 3.64 |
|---|
| Knoop Hardness Hk | 580 [6] |
|---|
| Abrasion Aa | 114 |
|---|
| Detail Catalog DATA | PDF |
|---|
| Please consult us about available shape, size and tolerance. |
 |
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