L-LAH84
OHARA developed L-LAH84 which has an even lower transformation point than L-LAH81. The temperature for mold pressing can be lower below 600 deg C. This lower temperature will contribute to longer molding equipment lifetimes, while also allowing for shorter production cycle times.
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L-LAH84 |
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| Eco Optical Glass | ○ |
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| Refractive Index nd |
1.80860 |
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| Abbe Number νd |
40.4
40.42 |
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CTE α
(10-7/°C) | -30～70°C |
64 |
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| +100～300°C |
79 |
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| Transformation Point Tg(°C) |
527 |
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| Yield Point At(°C) |
568 |
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| Coloring |
λ80 |
400 |
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| λ5 |
335 |
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| Chemical Resistance | RW(P) | 1 |
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| RA(P) |
3 |
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| W(S) |
2 |
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| SR |
51.3 |
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| PR |
2.2 |
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| Specific Gravity |
4.62 |
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| Knoop Hardness Hk |
610 [6] |
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| Abrasion Aa |
78 |
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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.
