Model Number

HWB760 HWB780 HWB800 HWB830 HWB850 ect.

The colored optical glass, flint optical glass, filter, vitaglass, infra-red ray transmitting glass, heat intercepting glass, borax anhydrous L Type and O Type dross glass are our products that mainly used in the medical instrument, optical instrument, metallurgy, finance, photographic equipments, aviation, aerospace, instrument and meters, military as well as scientific research. We not only can supply raw glass boule but also can make round, square and special figure window lens in colour or colourless glass according drawing and we can make them toughened.

description??/td>

A.Characteristic Type Thickness (mm) A[2856k] D65 Chemical Stability ND α×10-7 (/?? Tg (?? Ts (?? S x y Y x y Y DA DW HWB760 3             5 4 1.532 111 534 592 2.77 HWB780 3             5 4 1.532 111 534 592 2.77 HWB800 3             5 4 1.520 98 559 615 3.05 HWB830 3             5 4 1.520 98 559 615 3.05 HWB850 3             5 4 1.520 98 559 615 3.05       Technical Indexes    Class Of Bubble??tripe??tress Type Thickness (mm) λtj (nm) λ0 (nm) Tλ0 (%) K HWB760 3 760±10 850 ≥83.6 ≥0.6 HWB780 3 780±10 900 ≥83.6 ≥0.5 HWB800 3 800±10 900 ≥83.6 ≥0.5 HWB830 3 830±10 930 ≥83.6 ≥0.5 HWB850 3 850±10 950 ≥80.0 ≥0.5 Type Bubble Stripe Stress HWB760 C-B 3C 3 HWB780 C-B 3C 3 HWB800 C-B 3C 3 HWB830 C-B 3C 3 HWB850 C-B 3C 3