Cut-off type colored filter glass->Red glass

Red glass Characteristic
Type Thickness
(mm)
A[2856k] D65 Chemical Stability ND α×10-7
(℃)
Tg
(℃)
Ts
(℃)
S
x y Y x y Y DA DW
HB600 2 0.680 0.319 27.0 0.675 0.325 16.5 1 2 1.523 103 527 605 2.64
HB610 2 0.695 0.305 18.4 0.690 0.310
10.7 1 2 1.523 103 527 605 2.64
HB630 2 0.713 0.287 10.4 0.711 0.289 5.5 1 2 1.523 103 527 605 2.64
HB640 2 0.724 0.276 5.0 0.723 0.277 2.4 1 2 1.523 103 527 605 2.64
HB650 2 0.728 0.272 3.2 0.728 0.272 1.5 1 2 1.523 103 527 605 2.64
HB670 2 0.731 0.269 1.1 0.730 0.270 0.5 1 2 1.523 103 527 605 2.64
HB685 2 0.734 0.266 0.3 0.734 0.266 0.1 1 2 1.523 103 527 605 2.64
HB700 2 0.735 0.265 0.0 0.735 0.265 0.0 1 2 1.523 111 534 592 2.64
HB720 2             5 4 1.532 111 534 592 2.77
Technical Indexes
Type Thickness
(mm)
λtj
(nm)
λ0
(nm)
Tλ0
(%)
K
HB600 2 600 ± 10 680 ≥88.7 ≥1.2
HB610 2 610 ± 10 680 ≥88.7 ≥1.2
HB630 2 630 ± 10 700 ≥88.7 ≥1.2
HB640 2 640 ± 10 720 ≥88.7 ≥1.2
HB650 2 650 ± 10 720 ≥87.5 ≥1.0
HB670 2 670 ± 10 750 ≥87.5 ≥1.0
HB685 2 685 ± 10 800 ≥83.6 ≥0.8
HB700 2 700 ± 10 800 ≥79.8 ≥0.8
HB720 3 720 ± 10 800 ≥80.0 ≥0.8
Class Of Bubble、Stripe、Stress
Type Bubble Stripe Stress
HB600 C-B 3C 3
HB610 C-B 3C 3
HB630 C-B 3C 3
HB640 C-B 3C 3
HB650 C-B 3C 3
HB670 C-B 3C 3
HB685 C-B 3C 3
HB700 C-B 3C 3
HB720 C-B 4 3
Red glass

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