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Ensinger PEI

Honeywell PMP Polymethylpentene Film  (discontinued **)
Categories: Polymer; Film; Thermoplastic; Polymethylpentene (PMP); Polymethylpentene, Molded

Material Notes: PMP is a clear, red, or blue film manufactured from polymethylpentene. It provides more toughness and heat resistance than standard polyolefins for release film applications.

Information provided by Honeywell.

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Physical PropertiesMetricEnglishComments
Specific Gravity 0.910 g/cc0.910 g/cc
Density 0.913 g/cc0.0330 lb/in³Yield Density
Water Vapor Transmission 46.5 g/m²/day
@Temperature 37.8 °C
2.99 g/100 in²/day
@Temperature 100 °F
100%RH; ASTM F1249
Thickness 49.5 microns1.95 mil
 
Mechanical PropertiesMetricEnglishComments
Film Elongation at Break, MD 150 - 210 %150 - 210 %ASTM D882
Film Elongation at Break, TD 380 - 500 %380 - 500 %ASTM D882
Secant Modulus, MD 0.552 - 0.648 GPa80.1 - 94.0 ksiASTM D882
Secant Modulus, TD 0.621 - 0.703 GPa90.1 - 102 ksiASTM D882
Coefficient of Friction 0.50 - 0.700.50 - 0.70film to stainless steel; ASTM D1894
 0.80 - 1.20.80 - 1.2film to film; ASTM D1894
Tear Strength Test 220 - 280220 - 280graves tear MD, grams/mil; ASTM D1004
 220 - 280220 - 280graves tear TD, grams/mil; ASTM D1004
Film Tensile Strength at Break, MD 39.3 - 53.1 MPa5700 - 7700 psiASTM D882
Film Tensile Strength at Break, TD 21.4 - 39.3 MPa3100 - 5700 psiASTM D882
 
Thermal PropertiesMetricEnglishComments
Shrinkage, MD <= 2.0 %
@Treatment Temp. 177 °C,
Time 601 sec
<= 2.0 %
@Treatment Temp. 350 °F,
Time 0.167 hour
ASTM D1204
Shrinkage, TD <= 1.5 %
@Treatment Temp. 177 °C,
Time 601 sec
<= 1.5 %
@Treatment Temp. 350 °F,
Time 0.167 hour
ASTM D1204

**
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