DuPont Teijin Films Mylar® M577 Polyester Film, 48 Gauge

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DuPont Teijin Films Mylar® M577 Polyester Film, 48 Gauge
Categories:	Polymer; Film; Thermoplastic; Polyester, TP; Polyester Film
Material Notes:	Mylar® Type M577 is a tough, transparent film. A rough surface provides ease of handling, good adhesion, and processability. General Product Info: Mylar® Type M577 film has balanced tensile properties and excellent resistance to moisture and most chemicals. It can withstand temperature extremes from -94 to 302° F. Because it contains no plasticizers, it does not become brittle with age under normal conditions Typical Applications: Mylar® Type M577 film is used almost exclusively in specialty (DC) capacitors. 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	12.2 microns	0.480 mil

Mechanical Properties	Metric	English	Comments
Film Elongation at Break, MD	110 %	110 %	ASTM D882A
Film Elongation at Break, TD	70 %	70 %	ASTM D882A
Film Tensile Strength at Break, MD	152 MPa	22000 psi	ASTM D882A

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
Maximum Service Temperature, Air	150 °C	302 °F
Minimum Service Temperature, Air	-70.0 °C	-94.0 °F
Shrinkage, MD	2.0 % @Temperature 150 °C, Time 1800 sec	2.0 % @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 Properties	Metric	English	Comments
Refractive Index	1.64 - 1.67	1.64 - 1.67	typical of Mylar®
Haze	4.0 %	4.0 %
Transmission, Visible	90 %	90 %	transparent; thickness not quantified

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PDTZ9359 / 139679

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