Refractive
Indices |
|
|
|
|
706.5 |
1.62818 |
|
656.3 |
1.63108 |
|
643.8 |
1.63191 |
|
632.8 |
1.63269 |
|
589.3 |
1.63621 |
|
587.6 |
1.63636 |
|
546.1 |
1.64062 |
|
486.1 |
1.64908 |
|
480.0 |
1.65015 |
|
435.8 |
1.65963 |
|
404.7 |
1.66881 |
|
365.0 |
1.68547 |
|
Constants of Dispersion
Formula |
|
2.6032009 |
|
-8.5462941 10![]() |
|
2.435502910![]() |
|
8.037320410![]() |
|
-7.468320410![]() |
|
4.394338910![]() |
|
Relative Partial Dispersions
|
|
0.2930 |
|
0.2438 |
|
0.2369 |
|
0.2337 |
|
0.5861 |
|
0.5197 |
|
|
|
-0.0003 |
|
0.0006 |
|
Chemical
Properties |
|
Grade |
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|
2 |
.gif)
|
2 |
|
1 |
|
2 |
|
Thermal
Properties |
.gif)
|
441 |
.gif)
|
500 |
|
382 |
|
425 |
|
88 |
|
94 |
|
Mechanical
Properties |
|
382 |
|
|
|
5744 |
|
2340 |
|
0.227 |
|
Stress-Optical
Coefficient |
|
|
|
Coloration Code |
|
37/33 |
|
|
|
Other Properties |
|
3.76 |
|
|
|
Internal
Transmittance |
|
|
|
2400 |
0.925 |
0.856 |
2200 |
0.942 |
0.887 |
2000 |
0.973 |
0.946 |
1800 |
0.985 |
0.971 |
1600 |
0.998 |
0.996 |
1400 |
0.999 |
0.998 |
1200 |
0.999 |
0.998 |
1060 |
0.999 |
0.998 |
1000 |
0.999 |
0.998 |
950 |
0.999 |
0.998 |
900 |
0.999 |
0.998 |
850 |
0.998 |
0.996 |
800 |
0.997 |
0.995 |
700 |
0.996 |
0.993 |
650 |
0.996 |
0.992 |
600 |
0.996 |
0.992 |
550 |
0.995 |
0.991 |
500 |
0.994 |
0.988 |
480 |
0.993 |
0.986 |
460 |
0.992 |
0.985 |
440 |
0.991 |
0.982 |
420 |
0.989 |
0.979 |
400 |
0.986 |
0.972 |
390 |
0.981 |
0.962 |
380 |
0.973 |
0.947 |
370 |
0.962 |
0.925 |
360 |
0.935 |
0.875 |
350 |
0.88 |
0.77 |
340 |
0.72 |
0.52 |
330 |
0.36 |
0.13 |
320 |
|
|
310 |
|
|
300 |
|
|
290 |
|
|
280 |
|
|
|
1.63636
35.35
0.018001
1.64062 
35.11
0.018244