Refractive
Indices |
|
|
|
|
706.5 |
1.59615 |
|
656.3 |
1.59874 |
|
643.8 |
1.59947 |
|
632.8 |
1.60016 |
|
589.3 |
1.60328 |
|
587.6 |
1.60342 |
|
546.1 |
1.60718 |
|
486.1 |
1.61461 |
|
480.0 |
1.61556 |
|
435.8 |
1.62380 |
|
404.7 |
1.63174 |
|
365.0 |
1.64602 |
|
|
|
|
Constants of Dispersion
Formula |
|
2.5059651 |
|
-7.8686119 10 |
|
2.157421410 |
|
5.986796610 |
|
-9.519460610 |
|
2.902485810 |
|
Relative Partial Dispersions
|
|
0.2947 |
|
0.2452 |
|
0.2372 |
|
0.2341 |
|
0.5788 |
|
0.5125 |
|
|
|
-0.0006 |
|
-0.0022 |
|
Chemical
Properties |
|
Grade |
.gif)
|
3 |
.gif)
|
1 |
|
2 |
|
1 |
|
ThermalProperties |
.gif)
|
420 |
.gif)
|
460 |
|
405 |
|
430 |
|
97 |
|
105 |
|
Mechanical
Properties |
|
445 |
|
0.63 |
|
5730 |
|
2340 |
|
0.224 |
|
Stress-Optical
Coefficient |
|
|
|
Coloration Code |
|
35/32 |
|
|
|
Other Properties |
|
3.43 |
|
|
|
Internal
Transmittance |
|
|
|
2400 |
0.927 |
0.860 |
2200 |
0.950 |
0.903 |
2000 |
0.980 |
0.960 |
1800 |
0.985 |
0.970 |
1600 |
0.990 |
0.980 |
1400 |
0.998 |
0.996 |
1200 |
0.998 |
0.996 |
1060 |
0.998 |
0.997 |
1000 |
0.998 |
0.997 |
950 |
0.999 |
0.998 |
900 |
0.999 |
0.999 |
850 |
0.999 |
0.999 |
800 |
0.999 |
0.999 |
700 |
0.999 |
0.999 |
650 |
0.999 |
0.999 |
600 |
0.999 |
0.999 |
550 |
0.999 |
0.999 |
500 |
0.999 |
0.999 |
480 |
0.999 |
0.999 |
460 |
0.999 |
0.999 |
440 |
0.998 |
0.997 |
420 |
0.998 |
0.996 |
400 |
0.998 |
0.996 |
390 |
0.995 |
0.990 |
380 |
0.992 |
0.985 |
370 |
0.989 |
0.979 |
360 |
0.979 |
0.958 |
350 |
0.95 |
0.90 |
340 |
0.87 |
0.75 |
330 |
0.64 |
0.40 |
320 |
0.23 |
0.05 |
310 |
|
|
300 |
|
|
290 |
|
|
280 |
|
|
|
1.60342 
38.01
0.015873 
1.60718 
37.75
0.016084