Refractive
Indices |
|
|
|
|
706.5 |
1.51883 |
|
656.3 |
1.52037 |
|
643.8 |
1.52080 |
|
632.8 |
1.52120 |
|
589.3 |
1.52299 |
|
587.6 |
1.52307 |
|
546.1 |
1.52520 |
|
486.1 |
1.52929 |
|
480.0 |
1.52980 |
|
435.8 |
1.53416 |
|
404.7 |
1.53820 |
|
365.0 |
1.54510 |
|
|
|
|
|
|
|
Constants of Dispersion
Formula |
|
2.2877828 |
|
-9.3148723 10 |
|
1.098644310 |
|
4.846520310 |
|
-3.394473810 |
|
1.695855410 |
|
Relative Partial Dispersions
|
|
0.3033 |
|
0.2529 |
|
0.2384 |
|
0.2363 |
|
0.5457 |
|
0.4842 |
|
|
|
0.0006 |
|
-0.0001 |
|
Chemical
Properties |
|
Grade |
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|
2 |
.gif)
|
1 |
|
2 |
|
1 |
|
ThermalProperties |
.gif)
|
533 |
.gif)
|
595 |
|
467 |
|
510 |
|
85 |
|
96 |
|
Mechanical
Properties |
|
537 |
|
|
|
7400 |
|
3026 |
|
0.223 |
|
Stress-Optical
Coefficient |
|
|
|
Coloration
Code |
|
35/31 |
|
|
|
Other
Properties |
|
2.54 |
|
|
|
Internal
Transmittance |
|
|
|
2400 |
0.89 |
0.80 |
2200 |
0.910 |
0.828 |
2000 |
0.960 |
0.921 |
1800 |
0.981 |
0.962 |
1600 |
0.995 |
0.990 |
1400 |
0.996 |
0.993 |
1200 |
0.999 |
0.998 |
1060 |
0.998 |
0.997 |
1000 |
0.998 |
0.996 |
950 |
0.998 |
0.996 |
900 |
0.997 |
0.995 |
850 |
0.997 |
0.994 |
800 |
0.996 |
0.993 |
700 |
0.996 |
0.992 |
650 |
0.996 |
0.992 |
600 |
0.996 |
0.992 |
550 |
0.996 |
0.992 |
500 |
0.995 |
0.990 |
480 |
0.994 |
0.989 |
460 |
0.994 |
0.988 |
440 |
0.993 |
0.987 |
420 |
0.993 |
0.987 |
400 |
0.993 |
0.987 |
390 |
0.992 |
0.985 |
380 |
0.989 |
0.979 |
370 |
0.987 |
0.974 |
360 |
0.979 |
0.959 |
350 |
0.962 |
0.925 |
340 |
0.922 |
0.850 |
330 |
0.83 |
0.69 |
320 |
0.66 |
0.43 |
310 |
0.36 |
0.13 |
300 |
0.09 |
0.01 |
290 |
|
|
280 |
|
|
|
1.52307 
58.64
0.008920 
1.52520 
58.36
0.009000