|
PROPERTIES |
TEST METHOD |
UNIT |
TYPICAL DATAS |
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|
MECHANICAL PROPERTIES |
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|
Tensile strength |
MD |
ASTM D882 |
N/ mm2 |
≥140 |
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|
TD |
≥250 |
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|
Elongation at break |
MD |
ASTM D882 |
% |
≤180 |
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|
TD |
% |
≤65 |
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|
Secant modulus |
MD |
ASTM D882 |
N/ mm2 |
≥1800 |
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|
PHYSICAL PROPERTIES |
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|
Coefficient of friction |
ASTM D1894 |
|
≤0.6 |
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|
Density |
ASTM D792 |
g/cm3 |
0.91 |
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|
Gloss |
ASTM D2547 |
% |
≥90 |
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|
Haze |
ASTM D1003 |
% |
≤1.5 |
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|
THERMAL PROPERTIES |
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|
Thermal shrinkage |
MD |
ASTM D1204 |
% |
≤4 |
||||
|
TD |
% |
≤2 |
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|
OTHER PROPERTIES |
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|
Surface tension |
ASTM D2578 |
dyne | ≥38 | |||||