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Ensinger PEI

Overview of materials for Polyester Film
Categories: Polymer; Film; Thermoplastic; Polyester, TP; Polyester Film
Material Notes: This property data is a summary of similar materials in the MatWeb database for the category "Polyester Film". Each property range of values reported is minimum and maximum values of appropriate MatWeb entries. The comments report the average value, and number of data points used to calculate the average. The values are not necessarily typical of any specific grade, especially less common values and those that can be most affected by additives or processing methods.
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Physical PropertiesMetricEnglishComments
Density 1.00 - 1.51 g/cc0.0361 - 0.0546 lb/in³Average value: 1.37 g/cc Grade Count:390
Water Absorption 0.150 - 0.800 %0.150 - 0.800 %Average value: 0.384 % Grade Count:9
Moisture Vapor Transmission 0.0120 - 1.20 cc-mm/m²-24hr-atm0.0305 - 3.05 cc-mil/100 in²-24hr-atmAverage value: 0.583 cc-mm/m²-24hr-atm Grade Count:126
Water Vapor Transmission 4.00 - 104 g/m²/day0.258 - 6.70 g/100 in²/dayAverage value: 29.1 g/m²/day Grade Count:31
 0.776 - 43.456 g/m²/day
@Temperature 38.0 - 38.0 °C		0.0500 - 2.7986 g/100 in²/day
@Temperature 100 - 100 °F		Average value: 23.9 g/m²/day Grade Count:33
Oxygen Transmission 0.0200 - 44.0 cc-mm/m²-24hr-atm0.0508 - 112 cc-mil/100 in²-24hr-atmAverage value: 2.87 cc-mm/m²-24hr-atm Grade Count:130
Carbon Dioxide Transmission 149 - 211 cc-mm/m²-24hr-atm378 - 536 cc-mil/100 in²-24hr-atmAverage value: 170 cc-mm/m²-24hr-atm Grade Count:3
Viscosity  800000 - 800000 cP
@Temperature 270 - 270 °C		800000 - 800000 cP
@Temperature 518 - 518 °F		Average value: 800000 cP Grade Count:1
 800000 - 800000 cP
@Shear Rate 100 - 100 1/s		800000 - 800000 cP
@Shear Rate 100 - 100 1/s		Average value: 800000 cP Grade Count:1
Thickness 2.54 - 478 microns0.100 - 18.8 milAverage value: 73.3 microns Grade Count:493
Surface Tension 8.00 - 47.0 dynes/cm8.00 - 47.0 dynes/cmAverage value: 33.1 dynes/cm Grade Count:3
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore A 81.0 - 95.081.0 - 95.0Average value: 86.3 Grade Count:9
Tensile Strength, Ultimate 23.0 - 200 MPa3340 - 29000 psiAverage value: 53.1 MPa Grade Count:8
Film Tensile Strength at Yield, MD 35.2 - 228 MPa5110 - 33000 psiAverage value: 92.8 MPa Grade Count:139
Film Tensile Strength at Yield, TD 27.6 - 228 MPa4000 - 33000 psiAverage value: 92.8 MPa Grade Count:135
Film Elongation at Break, MD 74.0 - 440 %74.0 - 440 %Average value: 135 % Grade Count:472
Film Elongation at Break, TD 55.0 - 445 %55.0 - 445 %Average value: 101 % Grade Count:454
Film Elongation at Yield, MD 5.00 - 12.0 %5.00 - 12.0 %Average value: 7.80 % Grade Count:5
Film Elongation at Yield, TD 5.00 - 20.0 %5.00 - 20.0 %Average value: 9.40 % Grade Count:5
Elongation at Break 130 - 830 %130 - 830 %Average value: 678 % Grade Count:8
Modulus of Elasticity 3.10 - 4.36 GPa450 - 632 ksiAverage value: 3.65 GPa Grade Count:72
Flexural Yield Strength 138 MPa20000 psiAverage value: 138 MPa Grade Count:3
Flex Crack Resistance 15000 - 2000015000 - 20000Average value: 18100 Grade Count:8
Poissons Ratio 0.380 - 0.5800.380 - 0.580Average value: 0.480 Grade Count:13
Secant Modulus 3.79 GPa550 ksiAverage value: 3.79 GPa Grade Count:91
Secant Modulus, MD 1.46 - 6.35 GPa212 - 921 ksiAverage value: 2.60 GPa Grade Count:16
Secant Modulus, TD 1.38 - 7.02 GPa201 - 1020 ksiAverage value: 2.69 GPa Grade Count:15
Puncture Energy 1.60 - 4.60 J1.18 - 3.39 ft-lbAverage value: 3.83 J Grade Count:4
 0.700 - 1.20 J
@Temperature -20.0 - 0.000 °C		0.516 - 0.885 ft-lb
@Temperature -4.00 - 32.0 °F		Average value: 0.950 J Grade Count:1
Coefficient of Friction 0.200 - 1.480.200 - 1.48Average value: 0.401 Grade Count:164
Coefficient of Friction, Static 0.280 - 0.6000.280 - 0.600Average value: 0.411 Grade Count:78
Tear Strength Test 0.700 - 6000.700 - 600Average value: 73.2 Grade Count:112
Tear Strength 9.00 - 140 kN/m51.4 - 799 pliAverage value: 47.7 kN/m Grade Count:10
Graves Tear Strength 0.123 - 233 kN/m0.700 - 1330 pliAverage value: 20.7 kN/m Grade Count:21
Elmendorf Tear Strength MD 377 - 724 g377 - 724 gAverage value: 533 g Grade Count:4
Elmendorf Tear Strength TD 428 - 897 g428 - 897 gAverage value: 627 g Grade Count:4
Elmendorf Tear Strength, MD 0.827 - 7.09 g/micron21.0 - 180 g/milAverage value: 2.95 g/micron Grade Count:6
Elmendorf Tear Strength, TD 0.866 - 5.30 g/micron22.0 - 135 g/milAverage value: 2.49 g/micron Grade Count:5
Dart Drop 3.20 - 3.53 g/micron81.3 - 89.7 g/milAverage value: 3.41 g/micron Grade Count:3
 3.20 - 3.65 g/micron
@Temperature -30.0 - -18.0 °C		81.3 - 92.7 g/mil
@Temperature -22.0 - -0.400 °F		Average value: 3.42 g/micron Grade Count:3
Dart Drop Test 825 - 882 g1.82 - 1.94 lbAverage value: 863 g Grade Count:3
 825 - 913 g
@Temperature -30.0 - -18.0 °C		1.82 - 2.01 lb
@Temperature -22.0 - -0.400 °F		Average value: 874 g Grade Count:3
Seal Strength 102 - 3000 g/25 mm102 - 3000 g/inAverage value: 583 g/25 mm Grade Count:10
Film Tensile Strength at Break, MD 41.0 - 284 MPa5950 - 41200 psiAverage value: 177 MPa Grade Count:516
Film Tensile Strength at Break, TD 35.0 - 314 MPa5080 - 45500 psiAverage value: 216 MPa Grade Count:495
Heat Seal Strength 22.0 - 1800 g/25 mm0.0485 - 3.97 lb/inAverage value: 441 g/25 mm Grade Count:14
Heat Seal Strength Initiation Temperature 104 - 204 °C220 - 400 °FAverage value: 159 °C Grade Count:7
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 1.00e+8 - 1.00e+18 ohm-cm1.00e+8 - 1.00e+18 ohm-cmAverage value: 1.03e+17 ohm-cm Grade Count:32
Surface Resistance 10.0 - 2.00e+17 ohm10.0 - 2.00e+17 ohmAverage value: 6.74e+15 ohm Grade Count:41
Dielectric Constant 2.43 - 3.202.43 - 3.20Average value: 2.87 Grade Count:18
Dielectric Strength 14.6 - 410 kV/mm371 - 10400 kV/inAverage value: 157 kV/mm Grade Count:81
 200 - 200 kV/mm
@Temperature 150 - 150 °C		5080 - 5080 kV/in
@Temperature 302 - 302 °F		Average value: 200 kV/mm Grade Count:1
 200 - 200 kV/mm
@Frequency 50.0 - 50.0 Hz		5080 - 5080 kV/in
@Frequency 50.0 - 50.0 Hz		Average value: 200 kV/mm Grade Count:1
Dielectric Breakdown 490 - 26000 V490 - 26000 VAverage value: 10800 V Grade Count:74
Dissipation Factor 0.00300 - 0.05500.00300 - 0.0550Average value: 0.0121 Grade Count:11
Arc Resistance 131 - 135 sec131 - 135 secAverage value: 133 sec Grade Count:4
Comparative Tracking Index 400 - 600 V400 - 600 VAverage value: 500 V Grade Count:28
Hot Wire Ignition, HWI 7.00 - 15.0 sec7.00 - 15.0 secAverage value: 8.71 sec Grade Count:28
High Amp Arc Ignition, HAI 15.0 - 120 arcs15.0 - 120 arcsAverage value: 60.0 arcs Grade Count:28
 
Thermal PropertiesMetricEnglishComments
CTE, linear 16.0 - 90.0 µm/m-°C8.89 - 50.0 µin/in-°FAverage value: 31.5 µm/m-°C Grade Count:26
 17.0 - 17.0 µm/m-°C
@Temperature 30.0 - 50.0 °C		9.44 - 9.44 µin/in-°F
@Temperature 86.0 - 122 °F		Average value: 17.0 µm/m-°C Grade Count:13
Specific Heat Capacity 1.17 J/g-°C0.280 BTU/lb-°FAverage value: 1.17 J/g-°C Grade Count:172
 1.29704 - 2.59408 J/g-°C
@Temperature 60.0 - 250 °C		0.310000 - 0.620001 BTU/lb-°F
@Temperature 140 - 482 °F		Average value: 1.95 J/g-°C Grade Count:7
Thermal Conductivity 0.150 - 0.155 W/m-K1.04 - 1.07 BTU-in/hr-ft²-°FAverage value: 0.154 W/m-K Grade Count:14
Melting Point 220 - 269 °C428 - 516 °FAverage value: 254 °C Grade Count:193
Crystallization Temperature 170 - 175 °C338 - 347 °FAverage value: 173 °C Grade Count:3
Maximum Service Temperature, Air 65.0 - 232 °C149 - 450 °FAverage value: 146 °C Grade Count:197
Deflection Temperature at 0.46 MPa (66 psi) 68.0 - 71.0 °C154 - 160 °FAverage value: 69.5 °C Grade Count:4
Deflection Temperature at 1.8 MPa (264 psi) 62.0 - 64.0 °C144 - 147 °FAverage value: 62.8 °C Grade Count:4
Vicat Softening Point 79.0 - 81.0 °C174 - 178 °FAverage value: 80.5 °C Grade Count:4
Minimum Service Temperature, Air -73.3 - -40.0 °C-100 - -40.0 °FAverage value: -49.9 °C Grade Count:134
Brittleness Temperature -60.0 - -40.0 °C-76.0 - -40.0 °FAverage value: -48.3 °C Grade Count:3
Glass Transition Temp, Tg 35.0 - 150 °C95.0 - 302 °FAverage value: 87.5 °C Grade Count:15
UL RTI, Electrical 160 °C320 °FAverage value: 160 °C Grade Count:3
UL RTI, Mechanical without Impact 180 °C356 °FAverage value: 180 °C Grade Count:3
Flammability, UL94 HBHBGrade Count:3
Oxygen Index 23.5 - 24.7 %23.5 - 24.7 %Average value: 24.1 % Grade Count:4
 
Optical PropertiesMetricEnglishComments
Refractive Index 1.54 - 1.671.54 - 1.67Average value: 1.65 Grade Count:123
Optical Density 0.500 - 46.00.500 - 46.0Average value: 15.8 Grade Count:20
Haze 0.180 - 97.0 %0.180 - 97.0 %Average value: 12.8 % Grade Count:294
Gloss 1.30 - 200 %1.30 - 200 %Average value: 78.0 % Grade Count:99
Yellow Index -1.50 - 0.500 %-1.50 - 0.500 %Average value: -0.167 % Grade Count:3
Transmission, Visible 1.10 - 96.0 %1.10 - 96.0 %Average value: 76.3 % Grade Count:225
UV Transmittance 8.00 - 89.0 %8.00 - 89.0 %Average value: 57.2 % Grade Count:5
 
Processing PropertiesMetricEnglishComments
Processing Temperature 93.0 - 220 °C199 - 428 °FAverage value: 185 °C Grade Count:19
Melt Temperature 223 - 282 °C433 - 540 °FAverage value: 244 °C Grade Count:5
Cure Time 90.0 - 90.0 min
@Temperature 177 - 177 °C		1.50 - 1.50 hour
@Temperature 351 - 351 °F		Average value: 90.0 min Grade Count:1

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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