GLASS TYPES
| HEBO |
Schott |
Hoya |
| B 15 |
|
|
| B 38 |
~ BG 38 |
|
| B 39 |
~ BG 39 |
|
| B 40 |
~ BG 40 |
|
Blue Glass Characteristic
| Type | Thickness | n (587,8 nm) | p (g/cm³) | Tg(°C) | Ts(°C) | α × 10-7(°C) | DA | DW | Bubbles | Homogeneity | Striae |
| B 15 | 1 mm | 1,52 | 2,5 | 490 | 555 | 90 | 1 | 3 | 4 | 0 | 1 |
| B 38 | 2 mm | 1,535 | 2,86 | 421 | 463 | 100 | 1 | 3 | 3 | 0 | 1 |
| B 39 | 1 mm | 1,550 | 2,75 | 417 | 489 | 95 | 1 | 3 | 3 | 0 | 1 |
| B 40 | 1 mm | 1,540 | 2,75 | 419 | 492 | 95 | 1 | 3 | 3 | 0 | 1 |
| Type | Thickness | A(2856K) | D65 |
| | | x | y | Y(%) | x | y | Y(%) |
| B 15 | 1 mm | 0,400 | 0,413 | 75,2 | 0,274 | 0,315 | 78,3 |
| B 38 | 2 mm | 0,345 | 0,439 | 62,10 | 0,244 | 0,326 | 68,8 |
| B 39 | 1 mm | 0,364 | 0,431 | 66,0 | 0,255 | 0,321 | 73,0 |
| B 40 | 1 mm | 0,404 | 0,422 | 77,0 | 0,282 | 0,327 | 82,0 |
| | B 15
|
B 38
|
B 39
|
B 40
|
| Thickness (mm) |
1 | 2 | 1 | 1 |
| Wavelength (mm) |
%T
| %T
| %T
| %T
|
| 200 |
0,019
| 5×10-4
| 4×10-5
| 1×10-4
|
| 210 |
0,020
| 2×10-4
| 2×10-4
| 2×10-4
|
| 220 |
0,014
| 5×10-4
| 6×10-4
| 2×10-4
|
| 230 |
0,012
| <1×10-5
| 3×10-4
| 4×10-4
|
| 240 |
0,010
| 7×10-4
| 0,001
| <1×10-5 |
| 250 |
0,008
| <1×10-5
| 0,001
| 6×10-4
|
| 260 |
0,006
| 8×10-4
| 5×10-4
| 3×10-4
|
| 270 |
0,006
| 4×10-4
| 1×10-4
| 4×10-4
|
| 280 |
0,004
| 3×10-4
| 4×10-4
| 6×10-4
|
| 290 |
0,106
| 7×10-4
| 6×10-4
| 3×10-4
|
| 300 |
3,736
| 0,002
| 7×10-4
| 0,048
|
| 310 |
20,613
| 0,955
| 0,011
| 3,359
|
| 320 |
44,954
| 12,256
| 1,567
| 21,707
|
| 330 |
62,973
| 35,120
| 13,615
| 47,615
|
| 340 |
72,384
| 54,234
| 34,411
| 66,407
|
| 350 |
77,403
| 65,033
| 51,487
| 75,823
|
| 360 |
79,588
| 71,004
| 61,846
| 80,616
|
| 370 |
80,710
| 74,410
| 68,086
| 83,083
|
| 380 |
81,281
| 76,751
| 72,068
| 84,633
|
| 390 |
81,671
| 78,538
| 74,881
| 85,637
|
| 400 |
82,020
| 80,067
| 77,056
| 86,500
|
| 410 |
82,227
| 81,391
| 78,705
| 87,159
|
| 420 |
82,317
| 82,564
| 80,144
| 87,696
|
| 430 |
82,399
| 83,585
| 81,393
| 88,071
|
| 440 |
82,426
| 84,425
| 82,649
| 88,496
|
| 450 |
82,684
| 85,357
| 83,959
| 88,949
|
| 460 |
82,797
| 86,038
| 84,996
| 89,242
|
| 470 |
82,916
| 86,684
| 85,887
| 89,484
|
| 480 |
82,945
| 87,188
| 86,597
| 89,670
|
| 490 |
82,853
| 87,515
| 87,046
| 89,778
|
| 500 |
82,589
| 87,686
| 87,276
| 89,792
|
| 510 |
82,171
| 87,621
| 87,193
| 89,703
|
| 520 |
81,496
| 87,139
| 86,664
| 89,399
|
| 530 |
80,507
| 86,158
| 85,474
| 88,760
|
| 540 |
79,307
| 84,449
| 83,499
| 87,798
|
| 550 |
77,867
| 81,806
| 80,350
| 86,266
|
| 560 |
76,116
| 78,012
| 75,882
| 84,012
|
| 570 |
74,147
| 72,925
| 69,964
| 81,021
|
| 580 |
72,051
| 66,645
| 62,701
| 77,077
|
| 590 |
69,682
| 59,255
| 54,333
| 72,191
|
| 600 |
67,478
| 51,335
| 45,556
| 66,693
|
| 610 |
65,163
| 43,086
| 36,706
| 60,510
|
| 620 |
62,790
| 34,982
| 28,361
| 53,860
|
| 630 |
60,543
| 27,570
| 21,078
| 47,157
|
| 640 |
58,306
| 21,022
| 15,041
| 40,494
|
| 650 |
56,279
| 15,562
| 10,323
| 34,210
|
| 660 |
54,456
| 11,137
| 6,831
| 28,433
|
| 670 |
52,717
| 7,731
| 4,360
| 23,243
|
| 680 |
51,212
| 5,211
| 2,703
| 18,770
|
| 690 |
49,908
| 3,420
| 1,634
| 14,977
|
| 700 |
48,765
| 2,191
| 0,968
| 11,842
|
| 710 |
47,804
| 1,379
| 0,569
| 9,334
|
| 720 |
47,049
| 0,854
| 0,334
| 7,335
|
| 730 |
46,435
| 0,527
| 0,196
| 5,784
|
| 740 |
45,942
| 0,323
| 0,116
| 4,584
|
| 750 |
45,637
| 0,198
| 0,071
| 3,676
|
| 760 |
45,434
| 0,123
| 0,045
| 2,983
|
| 770 |
45,328
| 0,078
| 0,029
| 2,465
|
| 780 |
45,349
| 0,051
| 0,019
| 2,066
|
| 790 |
45,452
| 0,032
| 0,014
| 1,772
|
| 800 |
46,280
| 0,031
| 0,023
| 1,562
|
| 810 |
46,536
| 0,019
| 0,016
| 1,395
|
| 820 |
46,881
| 0,016
| 0,014
| 1,269
|
| 830 |
47,324
| 0,013
| 0,017
| 1,194
|
| 840 |
47,779
| 0,009
| 0,018
| 1,138
|
| 850 |
48,310
| 0,007
| 0,015
| 1,109
|
| 900 |
51,707
| 0,018
| 0,021
| 1,184
|
| 950 |
55,705
| 0,011
| 0,020
| 1,620
|
| 1000 |
59,708
| 0,022
| 0,053
| 2,497
|
| 1050 |
63,467
| 0,024
| 0,094
| 3,894
|
| 1065 |
64,520
| 0,043
| 0,114
| 4,436
|
| 1100 |
66,818
| 0,057
| 0,206
| 5,951
|
| 1200 |
72,558
| 0,346
| 1,080
| 12,675
|
| 1300 |
77,027
| 1,452
| 4,182
| 23,368
|
| 1400 |
80,304
| 4,787
| 11,518
| 36,784
|
| 1500 |
82,711
| 11,590
| 23,205
| 50,079
|
| 1600 |
84,439
| 21,718
| 37,098
| 61,570
|
| 1700 |
85,622
| 32,668
| 49,935
| 69,765
|
| 1800 |
86,415
| 42,032
| 60,055
| 74,986
|
| 1900 |
86,919
| 49,080
| 67,461
| 78,287
|
| 2000 |
87,282
| 53,492
| 72,300
| 79,961
|
| 2100 |
87,555
| 55,840
| 75,349
| 80,750
|
| 2200 |
87,246
| 53,221
| 74,497
| 77,816
|
| 2300 |
87,322
| 51,275
| 74,561
| 76,666
|
| 2400 |
87,286
| 50,996
| 75,703
| 77,134
|
| 2500 |
86,910
| 46,501
| 73,418
| 74,035
|
| 2600 |
86,562
| 36,350
| 66,990
| 66,606
|
| 2700 |
85,039
| 28,289
| 61,308
| 60,210
|
| 2800 |
65,127
| 1,078
| 14,468
| 11,627
|
| 2900 |
62,415
| 0,012
| 1,308
| 0,900
|
| 3000 |
61,215
| 0,013 | 0,603
| 0,404 |
