Skip to header
OHARA INC.
English
Products and ServiceAbout OHARAInvestor RelationsContact Us

Products and Service
 
New Glass Types
 

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.


  L-LAH84
Eco Optical Glass
Refractive Index nd 1.80860
Abbe Number νd 40.42
CTE α
(10-7/°C)
-30~70°C 64
+100~300°C 79
Transformation Point Tg(°C) 527
Yield Point At(°C) 568
Coloring λ80 400
λ5 335
Chemical ResistanceRW(P)1
RA(P) 3
W(S) 2
SR 51.3
PR 2.2
Specific Gravity 4.62
Knoop Hardness Hk 610 [6]
Abrasion Aa 78
Detail Catalog DATAPDF

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


Get Adobe Reader PDF files are in Adobe's Portable Document Format. To view them you need Adobe® Reader® by Adobe Systems Incorporated.
 
To the top of the page
 

Products and Service
 
 
|  Site Map  |  Protection of the Personal Information  |  Location  | (c) OHARA INC. All rights reserved.