Base film for polarizer
Applicable for polarizer
● Parameters
|
Grade |
Unit |
GM80 |
GM81 |
GM81A |
||||
|
Feature |
— |
protective film base film |
Release film base film |
Release film base film |
||||
|
Thickness |
μm |
38 |
50 |
38 |
50 |
38 |
50 |
|
|
Tensile Strength |
MD |
MPa |
190 |
196 |
193 |
190 |
176 |
187 |
|
TD |
MPa |
237 |
241 |
230 |
246 |
280 |
252 |
|
|
Elongation |
MD |
% |
159 |
163 |
159 |
164 |
198 |
182 |
|
TD |
% |
108 |
112 |
104 |
123 |
86 |
100 |
|
|
Shrinkage (150℃/30min) |
MD |
% |
1.16 |
1.02 |
1.11 |
1.02 |
1.15 |
1.06 |
|
TD |
% |
0.06 |
0.03 |
-0.07 |
0.03 |
0.08 |
0.06 |
|
|
Transmittance |
% |
90.7 |
90.5 |
90.5 |
90.6 |
90.2 |
90.1 |
|
|
Haze |
% |
3.86 |
3.7 |
4.01 |
4.33 |
3.91 |
3.13 |
|
|
Angle of orientation |
° |
— |
— |
— |
— |
≤10 |
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