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Master Bond adhesives

DuPont Teijin Films Mylar® EL Polyester Film, 142 Gauge
Categories: Polymer; Film; Thermoplastic; Polyester, TP; Polyester Film

Material Notes: Mylar® EL films, typically 48 through 500 gauge are strong, tough, general -purpose films for electrical/electronic uses. Heavier gauges of Mylar® EL films are similar to Mylar® MO films. Available in grades from clear to hazy, Mylar® EL films offer chemical inertness, good dielectrics, high temperature durability, and good handling characteristics.

General Product Info: The superior electrical, mechanical, thermal, and chemical inertness characteristics of Mylar® type EL films make them ideally suited for electrical and electronic applications.

Typical Applications: The outstanding strength, flexibility, and electrical properties of Mylar® type EL films make them well suited for many electrical and electronics applications. The good handling and winding characteristics make them especially suitable for coating, die cutting, embossing, and laminating operations.

Approvals: UL 94 VTM-2 - for 92 - 500 gauge (0.023 - 0.13mm)

Information provided by DuPont.

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Physical PropertiesMetricEnglishComments
Density 1.39 g/cc0.0502 lb/in³Typical Mylar®; ASTM D1505
Thickness 36.1 microns1.42 mil
 
Mechanical PropertiesMetricEnglishComments
Film Elongation at Break, MD 125 %125 %ASTM D882A
Film Elongation at Break, TD 100 %100 %ASTM D882A
Film Tensile Strength at Break, MD 193 MPa28000 psiASTM D882A
Film Tensile Strength at Break, TD 234 MPa34000 psiASTM D882A
 
Electrical PropertiesMetricEnglishComments
Dielectric Strength 152.5 kV/mm3873 kV/in1/4" electrode 500 V/sec 25°C in air; ASTM D149
Dielectric Breakdown 5500 V5500 V1/4" electrode 500 V/sec 25°C in air; ASTM D149
 
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 1.5 %
@Temperature 150 °C,
Time 1800 sec
1.5 %
@Temperature 302 °F,
Time 0.500 hour
Unrestrained
Shrinkage, TD 1.0 %
@Temperature 150 °C,
Time 1800 sec
1.0 %
@Temperature 302 °F,
Time 0.500 hour
Unrestrained
 
Optical PropertiesMetricEnglishComments
Refractive Index 1.64 - 1.671.64 - 1.67typical of Mylar®
Haze 18 %18 %ASTM D1003
 
Descriptive Properties
Yield (nominal)14000 in2/lb

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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PDTZ9321 / 139641

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