Refractive
Indices |
|
|
|
|
706.5 |
1.66327 |
|
656.3 |
1.66661 |
|
643.8 |
1.66756 |
|
632.8 |
1.66846 |
|
589.3 |
1.67252 |
|
587.6 |
1.67270 |
|
546.1 |
1.67764 |
|
486.1 |
1.68751 |
|
480.0 |
1.68879 |
|
435.8 |
1.69999 |
|
404.7 |
1.71105 |
|
365.0 |
1.73182 |
|
Constants of Dispersion
Formula |
|
2.7135839 |
|
-1.1419719 10 |
|
2.6133708v10 |
|
1.7576479v10 |
|
-1.330773710 |
|
1.520335110 |
|
Relative Partial Dispersions
|
|
0.2912 |
|
0.2420 |
|
0.2364 |
|
0.2329 |
|
0.5962 |
|
0.5276 |
|
|
|
0.0004 |
|
0.0053 |
|
Chemical
Properties |
|
Grade |
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|
1 |
.gif)
|
1 |
|
1 |
|
1 |
|
ThermalProperties |
.gif)
|
589 |
.gif)
|
629 |
|
526 |
|
563 |
|
88 |
|
99 |
|
Mechanical
Properties |
|
552 |
|
0.54 |
|
8321 |
|
3352 |
|
0.241 |
|
Stress-Optical
Coefficient |
|
|
|
Coloration Code |
|
40/36 |
|
|
|
Other Properties |
|
2.90 |
|
|
|
Internal
Transmittance |
|
|
|
2400 |
0.941 |
0.886 |
2200 |
0.959 |
0.919 |
2000 |
0.981 |
0.962 |
1800 |
0.990 |
0.981 |
1600 |
0.997 |
0.994 |
1400 |
0.997 |
0.995 |
1200 |
0.998 |
0.997 |
1060 |
0.999 |
0.998 |
1000 |
0.999 |
0.998 |
950 |
0.999 |
0.998 |
900 |
0.998 |
0.997 |
850 |
0.998 |
0.997 |
800 |
0.994 |
0.988 |
700 |
0.993 |
0.987 |
650 |
0.993 |
0.986 |
600 |
0.993 |
0.986 |
550 |
0.992 |
0.985 |
500 |
0.990 |
0.980 |
480 |
0.988 |
0.976 |
460 |
0.985 |
0.971 |
440 |
0.982 |
0.965 |
420 |
0.976 |
0.953 |
400 |
0.951 |
0.904 |
390 |
0.91 |
0.83 |
380 |
0.81 |
0.66 |
370 |
0.57 |
0.33 |
360 |
0.16 |
0.03 |
350 |
|
|
340 |
|
|
330 |
|
|
320 |
|
|
310 |
|
|
300 |
|
|
290 |
|
|
280 |
|
|
|
1.67270 
32.17
0.020910
31.92
0.021227