HB670

1. characteristics

Type Thickness
(mm)
A[2856k] D65 Chemical Stability ND α×10-7
(℃)
Tg
(℃)
Ts
(℃)
S
x y Y x y Y DA DW
HB670 2 0.731 0.269 1.1 0.730 0.270 0.5 1 2 1.523 103 527 605 2.64

 

2. Technical Indexes

Type Thickness
(mm)
λtj
(nm)
λ0
(nm)
Tλ0
(%)
K
HB670 2 670 ± 10 750 ≥87.5 ≥1.0

 

3. Class Of Bubble、Stripe、Stress

Type Bubble Stripe Stress
HB670 C-B 3C 3

 

4. Transmittance


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