DuPont Teijin Films Mylar® WC Polyester Film, 75 Gauge

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DuPont Teijin Films Mylar® WC Polyester Film, 75 Gauge
Categories:	Polymer; Film; Thermoplastic; Polyester, TP; Polyester Film
Material Notes:	Mylar® WC films are general-purpose electrical grade films, similar to Mylar® EL. These clear to hazy films are tough and durable as a core wrap. They offer good dielectrics and good handling characteristics. General Product Info: Mylar® Type WC films combine the tensile strength, dimensional stability, and dielectric strength needed for wire and cable applications. Typical Applications: Mylar® WC films possess the characteristics required for wire and cable used in the telecommunications and power transmission fields. Approvals: UL recognized - MIL-I631D, TYPE G and UL 94 VTM-2 - for 92 - 500 gauge (0.023 - 0.13 mm) Information provided by DuPont.
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Physical Properties	Metric	English	Comments

Density	1.39 g/cc	0.0502 lb/in³	Typical Mylar®; ASTM D1505
Thickness	19.0 microns	0.750 mil

Mechanical Properties	Metric	English	Comments
Film Elongation at Break, MD	110 %	110 %	ASTM D882A
Film Elongation at Break, TD	90 %	90 %	ASTM D882A
Film Tensile Strength at Break, MD	193 MPa	28000 psi	ASTM D882A
Film Tensile Strength at Break, TD	234 MPa	34000 psi	ASTM D882A

Electrical Properties	Metric	English	Comments
Dielectric Strength	183.7 kV/mm	4667 kV/in	1/4" electrode 500 V/sec 25°C in air; ASTM D149
Dielectric Breakdown	3500 V	3500 V	1/4" electrode 500 V/sec 25°C in air; ASTM D149

Thermal Properties	Metric	English	Comments
Specific Heat Capacity	1.17 J/g-°C	0.280 BTU/lb-°F	Typical Mylar®
Melting Point	254 °C	489 °F	Typical 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	1.1 % @Temperature 150 °C, Time 1800 sec	1.1 % @Temperature 302 °F, Time 0.500 hour	Unrestrained

Optical Properties	Metric	English	Comments
Haze	15 %	15 %	ASTM D1003

Descriptive Properties
Yield (nominal)	26500 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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PDTZ9429 / 139746

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