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GP Series is a standard lens shape which has good optical performance |
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Product Structure 1:  |
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Product Structure 2: |
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X direction brightness variaty chart(GP155): |
Y direction brightness variaty chart(GP155):
 |
The specification of GP Series:
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Product No. |
Unit |
direction |
GP-65 |
GP-75 |
GP-155 |
GP-210 |
GP-275 |
test method |
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thickness |
μm |
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65μm |
74.2μm |
151μm |
215μm |
276μm |
thickness gauge |
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refraction index of P E T |
|
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1.60 |
1.60 |
1.60 |
1.60 |
1.60 |
ASTMD-542 |
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density |
g / cm3 |
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1.39 |
1.39 |
1.39 |
1.39 |
1.39 |
ASTM D-792 |
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transmittance of light |
% |
|
91.4 |
91.3 |
91.3 |
91.2 |
90.8 |
JIS K-7105 |
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transmittance of light |
% / 24hr |
|
0.15 |
0.14 |
0.15 |
0.15 |
0.16 |
ASTM D-570 |
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tensile strength |
Mpa |
M D |
192 |
196 |
205 |
187 |
177 |
JIS C-2318 |
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T D |
230 |
232 |
221 |
220 |
233 |
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elongation |
% |
M D |
121 |
122 |
124 |
131 |
161 |
JIS C-2318 |
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T D |
93 |
91 |
88 |
94 |
98 |
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heated shrinkage rate (150℃/30mins) |
% |
M D |
1.08 |
1.09 |
1.02 |
0.94 |
1.04 |
JIS C-2318 |
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T D |
0.39 |
0.38 |
0.4 |
0.62 |
0.61 |
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surface impendance (smooth surface) |
Ω |
>1016 |
>1016 |
>1016 |
>1016 |
>1016 |
>1016 |
ASTM D-257 |
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★ The data may vary with different machine type |
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