QB18

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
QB18 2 0.400 0.413 75.2 0.274 0.315 78.3 1 3 1.518 90 490 555 2.50

 

2. Technical Indexes

Type Thickness(mm) 400(nm) 420(nm) 450(nm) 500(nm) 540(nm) 650(nm) 700(nm) 800(nm) 1000(nm)
QB18 2   ≥88.5     80.0~87.7   25.3~59.3    

 

3. Class Of Bubble、Stripe、Stress

Type Bubble Stripe Stress
QB18 D 3C 3

 

4. Transmittance


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