Red glass characteristics

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 3             5 4 1.532 111 534 592 2.77

Technical specifications of Red glass   Grading of Red glass by air bubble, strip and stress 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 Type Air 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