S-NBH55
Newly released S-NBH55 glass offers a unique dispersion property. In addition, this glass is available not only for small diameter products for use in digital cameras and digital video cameras, but also for large diameter products for use in projectors, broadcasting equipment, etc.
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S-NBH55 |
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| Eco Optical Glass | ○ |
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| Refractive Index nd |
1.80000 |
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| Abbe Number νd |
29.9
29.84 |
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CTE α
(10-7/°C) | -30～70°C |
82 |
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| +100～300°C |
90 |
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| Transformation Point Tg(°C) |
613 |
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| Yield Point At(°C) |
663 |
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| Coloring |
λ80 |
435 |
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| λ5 |
360 |
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| Chemical Resistance | RW(P) |
1 |
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| RA(P) |
1 |
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| W(S) |
2 |
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| SR |
1.0 |
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| PR |
1.0 |
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| Specific Gravity |
3.68 |
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| Knoop Hardness Hk |
560 [6] |
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| Abrasion Aa |
143 |
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| Detail Catalog DATA |
PDF |
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Available shape are pressing, saw cut center-less ground cylindrical blanks, polished ball and cut blanks.
Please consult us about available size and tolerance.
