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Ensinger PEI

DuPont Teijin Films Mylar® ELS951 Polyester Film, 92 Gauge
Categories: Polymer; Film; Thermoplastic; Polyester, TP; Polyester Film

Material Notes: Mylar® ELS951 is an specialized film being produced to provide a clear film substrate with good handling characteristics for use in window film, release sheet applications. The MD/TD shrinkage ratio has been optimized for ideal heat shaping properties. The product is silicone coated on one side and raw polyester film on the other side.

Information provided by DuPont.

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Physical PropertiesMetricEnglishComments
Density 1.3904 g/cc0.050231 lb/in³
Thickness 23.4 microns0.920 mil
 
Mechanical PropertiesMetricEnglishComments
Film Elongation at Break, MD 135 %135 %ASTM D882A
Film Elongation at Break, TD 110 %110 %ASTM D882A
Coefficient of Friction, Dynamic 0.270.27A-B, (untreated to treated); ASTM D1894-01
Coefficient of Friction, Static 0.490.49A-B, (untreated to treated); ASTM D1894-01
Film Tensile Strength at Break, MD 193 MPa28000 psiASTM D882A
Film Tensile Strength at Break, TD 234 MPa34000 psiASTM D882A
 
Thermal PropertiesMetricEnglishComments
Specific Heat Capacity 1.17 J/g-°C0.280 BTU/lb-°FTypical Mylar®
Melting Point 254 °C489 °FTypical Mylar® via DSC
Shrinkage, MD 2.0 %
@Temperature 150 °C,
Time 1800 sec
2.0 %
@Temperature 302 °F,
Time 0.500 hour
Unrestrained
Shrinkage, TD 0.20 %
@Temperature 150 °C,
Time 1800 sec
0.20 %
@Temperature 302 °F,
Time 0.500 hour
Unrestrained
 
Optical PropertiesMetricEnglishComments
Refractive Index 1.64 - 1.671.64 - 1.67typical of Mylar®
Haze 1.6 %1.6 %ASTM D1003
 
Descriptive Properties
Color7b
 89L

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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