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New Glass Types


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.

Eco Optical Glass
Refractive Index nd 1.80000
Abbe Number νd 29.84
-30~70°C 82
+100~300°C 90
Transformation Point Tg(°C) 613
Yield Point At(°C) 663
Coloring λ80 435
λ5 360
Chemical ResistanceRW(P) 1
RA(P) 1
W(S) 2
SR 1.0
PR 1.0
Specific Gravity 3.68
Knoop Hardness Hk 560 [6]
Abrasion Aa 143
Detail Catalog DATA PDF

Available shape are pressing, saw cut center-less ground cylindrical blanks, polished ball and cut blanks.
Please consult us about available size and tolerance.

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