DuPont Teijin Films Mylar® M461 Polyester Film, 400 Gauge

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DuPont Teijin Films Mylar® M461 Polyester Film, 400 Gauge
Categories:	Polymer; Film; Thermoplastic; Polyester, TP; Polyester Film
Material Notes:	Mylar® M461 is a tough, general purpose, untreated polyester film. It is transparent in 48 through 300 gauge and translucent in heavier gauges. Mylar® M461 is based on DuPont Teijin Film's RSX film type. Mylar® M461 has balanced tensile properties and excellent resistance to moisture and most chemicals. It can withstand temperature extremes from -94 to 302°F. Mylar® M461 does not become brittle with age under normal conditions because it does not contain plasticizers. Typical Applications: Mylar® M461 film is used primarily as a base for pressure sensitive tapes. Information provided by DuPont.
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Physical Properties	Original Value	Comments

Density	1.39 g/cc	Typical Mylar®; ASTM D1505
Thickness	4.00 mil

Mechanical Properties	Original Value	Comments
Film Elongation at Break, MD	140 %	ASTM D882A
Film Tensile Strength at Break, MD	25000 psi	ASTM D882A
Film Tensile Strength at Break, TD	33000 psi	ASTM D882A

Thermal Properties	Original Value	Comments
Specific Heat Capacity	1.17 J/g-°C	Typical Mylar®
Melting Point	254 °C	Typical Mylar® via DSC
Maximum Service Temperature, Air	302 °F
Minimum Service Temperature, Air	-94.0 °F
Shrinkage, MD	1.5 % @Temperature 150 °C, Time 1800 sec	Unrestrained
Shrinkage, TD	1.2 % @Temperature 150 °C, Time 1800 sec	Unrestrained

Optical Properties	Original Value	Comments
Refractive Index	1.64 - 1.67	typical of Mylar®
Haze	18.6 %	ASTM D1003

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PDTZ9357 / 139677

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