DuPont Teijin Films Melinex® ST579 Polyester Film, 200 Gauge

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DuPont Teijin Films Melinex® ST579 Polyester Film, 200 Gauge
Categories:	Polymer; Film; Thermoplastic; Polyester, TP; Polyester Film
Material Notes:	Melinex® ST579 is a clear, heat stabilized polyester film that is primed on one surface for adhesion. Typical applications include flexible electronics, touch screens, displays, circuitry, and other industrial uses where high light transmission and excellent thermal stability are required. Information provided by DuPont.
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Physical Properties	Metric	English	Comments

Thickness	50.8 microns	2.00 mil

Mechanical Properties	Metric	English	Comments
Film Elongation at Break, MD	150 %	150 %	ASTM D882A
Film Elongation at Break, TD	100 %	100 %	ASTM D882A
Flexural Strength	137.9 MPa	20000 psi
Coefficient of Friction	0.60	0.60
Coefficient of Friction, Static	0.40	0.40	A-B; ASTM D1894
Film Tensile Strength at Break, MD	179 MPa	26000 psi	ASTM D882A
Film Tensile Strength at Break, TD	200 MPa	29000 psi	ASTM D882A

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.00e+8 - 1.00e+12 ohm-cm	1.00e+8 - 1.00e+12 ohm-cm
Surface Resistivity per Square	1.00e+8 ohm	1.00e+8 ohm
Dielectric Constant	2.9 @Frequency 100 Hz	2.9 @Frequency 100 Hz	ASTM D150
Dielectric Strength	118 kV/mm	3000 kV/in
	197 kV/mm	5000 kV/in	ASTM D149
Dielectric Breakdown	10000 V	10000 V	ASTM D149

Thermal Properties	Metric	English	Comments
CTE, linear	18.0 µm/m-°C @Temperature 20.0 - 50.0 °C	10.0 µin/in-°F @Temperature 68.0 - 122 °F
Melting Point	260 °C	500 °F
Shrinkage, MD	1.0 % @Temperature 150 °C, Time 1800 sec	1.0 % @Temperature 302 °F, Time 0.500 hour	Unrestrained
Shrinkage, TD	0.00 % @Temperature 150 °C, Time 1800 sec	0.00 % @Temperature 302 °F, Time 0.500 hour	Unrestrained

Optical Properties	Metric	English	Comments
Haze	1.0 %	1.0 %	ASTM D1003
Gloss	140 %	140 %
Transmission, Visible	90 %	90 %	TLT; ASTM D1003

Descriptive Properties
Coefficient of Hygroscopic Expansion	0.000008 IN/IN/% RH		40% - 80% RH

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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PDTZ9249 / 139573

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