Refractive
Indices |
|
|
|
|
706.5 |
1.48407 |
|
656.3 |
1.48531 |
|
643.8 |
1.48566 |
|
632.8 |
1.48598 |
|
589.3 |
1.48740 |
|
587.6 |
1.48746 |
|
546.1 |
1.48912 |
|
486.1 |
1.49227 |
|
480.0 |
1349265 |
|
435.8 |
1.49596 |
|
404.7 |
1.49900 |
|
365.0 |
1.50414 |
|
|
|
|
|
|
|
Constants of Dispersion
Formula |
|
2.1889024 |
|
-9.6265297 10 |
|
8.808112210 |
|
1.948691810 |
|
-9.343856710 |
|
5.391792910 |
|
Relative Partial Dispersions
|
|
0.3099 |
|
0.2580 |
|
0.2376 |
|
0.2368 |
|
0.5310 |
|
0.4749 |
|
|
|
0.0009 |
|
0.0046 |
|
Chemical
Properties |
|
Grade |
.gif)
|
1 |
.gif)
|
3 |
|
2 |
|
4 |
|
ThermalProperties |
.gif)
|
475 |
.gif)
|
569 |
|
432 |
|
466 |
|
92 |
|
100 |
|
Mechanical
Properties |
|
520 |
|
0.90 |
|
6230 |
|
2540 |
|
0.227 |
|
Stress-Optical
Coefficient |
|
2.87 |
|
Coloration Code |
|
31/27 |
|
|
|
Other Properties |
|
2.43 |
|
|
|
Internal
Transmittance |
|
|
|
2400 |
0.86 |
0.74 |
2200 |
0.941 |
0.885 |
2000 |
0.980 |
0.960 |
1800 |
0.988 |
0.976 |
1600 |
0.990 |
0.980 |
1400 |
0.994 |
0.988 |
1200 |
0.998 |
0.996 |
1060 |
0.999 |
0.999 |
1000 |
0.999 |
0.999 |
950 |
0.999 |
0.999 |
900 |
0.999 |
0.999 |
850 |
0.999 |
0.999 |
800 |
0.999 |
0.999 |
700 |
0.999 |
0.999 |
650 |
0.999 |
0.998 |
600 |
0.999 |
0.998 |
550 |
0.999 |
0.999 |
500 |
0.999 |
0.998 |
480 |
0.999 |
0.998 |
460 |
0.999 |
0.998 |
440 |
0.998 |
0.997 |
420 |
0.998 |
0.997 |
400 |
0.999 |
0.998 |
390 |
0.999 |
0.998 |
380 |
0.997 |
0.994 |
370 |
0.997 |
0.995 |
360 |
0.997 |
0.994 |
350 |
0.995 |
0.991 |
340 |
0.992 |
0.984 |
330 |
0.983 |
0.966 |
320 |
0.962 |
0.925 |
310 |
0.91 |
0.83 |
300 |
0.81 |
0.65 |
290 |
0.58 |
0.34 |
280 |
0.26 |
0.07 |
|
1.48746 
70.04
0.006960 
1.48912 
70.03
0.006984