Item

25um
(1Mil)

50um
(2Mil)

75um
(3Mil)

100um
(4Mil)

125um
(5Mil)

150um
(6Mil)

175um
(7Mil)

Test method

Thickness Tolerance

±3um

±4um

±5um

±6um

±8um

±10um

±12um

ASTM D374

Tensile
Strength

MD

≥170Mpa

≥160Mpa

≥155Mpa

≥150Mpa

≥145Mpa

≥140Mpa

≥135Mpa

ASTM D882

TD

≥160Mpa

≥150Mpa

≥145Mpa

≥140Mpa

≥135Mpa

≥130Mpa

≥125Mpa

ASTM D882

Elongation

MD

≥50%

≥50%

≥50%

≥45%

≥45%

≥40%

≥40%

ASTM D882

TD

≥55%

≥55%

≥55%

≥50%

≥50%

≥45%

≥45%

ASTM D882

Breakdown Voltage

≥200Mv/m

     ≥180Mv/m

     ≥160Mv/m

≥140Mv/m

≥130Mv/m

≥120Mv/m

≥110Mv/m

ASTM D149

Surface Resistance

≥1.0×10¹⁵

≥8.0×10¹⁴

≥5.0×10¹⁴

≥1.0×10¹⁴

≥1.0×10¹⁴

≥5.0×10¹³

≥5.0×10¹³

ASTM D257

Volume Resistance

≥1.0×10¹⁴

≥8.0×10¹³

≥5.0×10¹³

≥1.0×10¹³

≥1.0×10¹³

≥5.0×10¹²

≥5.0×10¹²

ASTM D257