DuPont Teijin Films Mylar® LJP Polyester Film, 142 Gauge

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DuPont Teijin Films Mylar® LJP Polyester Film, 142 Gauge
Categories:	Polymer; Film; Thermoplastic; Polyester, TP; Polyester Film
Material Notes:	Mylar® LJP is an industrial grade very clear film that is available with adhesion promoting coatings and slip coatings. For higher quality end-uses (especially for surface requirements) consider using alternatives such as Melinex® 453, 454 or Mylar® LJ. General Product Info: The following product Mylar® LJP variants are available: LJP111 One side pretreated to promote adhesion to most printing inks and industrial coatings. LJP112 Two side pretreated to promote adhesion to most printing inks and industrial coatings. LJP181 One side pretreated for slip to provide good handling properties. LJP182 Two side pretreated for slip to provide good handling properties 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	36.1 microns	1.42 mil

Mechanical Properties	Metric	English	Comments
Film Tensile Strength at Yield, MD	96.5 MPa	14000 psi	ASTM D882A
Film Tensile Strength at Yield, TD	96.5 MPa	14000 psi	ASTM D882A
Film Elongation at Break, MD	160 %	160 %	ASTM D882A
Film Elongation at Break, TD	120 %	120 %	ASTM D882A
Film Tensile Strength at Break, MD	152 MPa	22000 psi	ASTM D882A
Film Tensile Strength at Break, TD	207 MPa	30000 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
Shrinkage, MD	1.6 % @Temperature 150 °C, Time 1800 sec	1.6 % @Temperature 302 °F, Time 0.500 hour	Unrestrained
Shrinkage, TD	0.50 % @Temperature 150 °C, Time 1800 sec	0.50 % @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	0.50 %	0.50 %	ASTM D1003
Transmission, Visible	88 %	88 %	ASTM D1003

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.

PDTZ9341 / 139661

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