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DuPont Teijin Films Mylar® EL Polyester Film, 142 Gauge

Category Polymer , Film , Thermoplastic , Polyester, TP , Polyester Film
Manufacturer DuPont Teijin Films (DTF)
Trade Name Mylar®
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF DuPont Teijin Films Mylar® EL Polyester Film, 142 Gauge.pdf
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Material Notes:
Mylar® EL films, typically 48 through 500 gauge are strong, tough, general -purpose films for electrical/electronic uses. Heavier gauges of Mylar® EL films are similar to Mylar® MO films. Available in grades from clear to hazy, Mylar® EL films offer chemical inertness, good dielectrics, high temperature durability, and good handling characteristics. General Product Info: The superior electrical, mechanical, thermal, and chemical inertness characteristics of Mylar® type EL films make them ideally suited for electrical and electronic applications.Typical Applications: The outstanding strength, flexibility, and electrical properties of Mylar® type EL films make them well suited for many electrical and electronics applications. The good handling and winding characteristics make them especially suitable for coating, die cutting, embossing, and laminating operations.Approvals: UL 94 VTM-2 - for 92 - 500 gauge (0.023 - 0.13mm)Information provided by DuPont.
Physical Properties Metric English Comments
Density 1.39 g/cc
0.0502 lb/in³
Typical Mylar®; ASTM D1505
Mechanical Properties Metric English Comments
Film Elongation at Break, MD 125 %
125 %
ASTM D882A
Film Elongation at Break, TD 100 %
100 %
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
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 1.5 %

@Temperature 150 °C,
Time 1800 sec
1.5 %

@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 18 %
18 %
ASTM D1003
Electrical Properties Metric English Comments
Dielectric Strength 152.5 kV/mm
3873 kV/in
1/4" electrode 500 V/sec 25°C in air; ASTM D149
Dielectric Breakdown 5500 V
5500 V
1/4" electrode 500 V/sec 25°C in air; ASTM D149
Descriptive Properties Value Comments
Yield (nominal) 14000 in2/lb
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