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DuPont Teijin Films Mylar® EC Polyester Film, 500 Gauge

Category Polymer , Film , Thermoplastic , Polyester, TP , Polyester Film
Manufacturer DuPont Teijin Films (DTF)
Trade Name Mylar®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF DuPont Teijin Films Mylar® EC Polyester Film, 500 Gauge.pdf
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Material Notes:
Mylar® EC films are electrical grade films designed for use in applications where improved dimensional stability is required. In addition to lower levels of shrinkage, Mylar® EC films offer outstanding durability, chemical inertness, good dielectrics, and good handling characteristics. General Product Info: The outstanding strength, flexibility, and electrical properties of Mylar® EC films, combined with lower than normal shrinkage levels, make them especially suited for circuitry and membrane touch switch applications. The film's moisture and chemical resistance serve as a barrier to substances that could contaminate membrane touch switches. Typical Applications: The unique balance of properties offered by Mylar® EC films makes them ideal for membrane switches and flexible circuits used in a variety of consumer and industrial products, including automotive instrument clusters, computers, calculators, telephones, cameras, and appliances.Approvals: UL 94 VTM-2 - for 200 - 500 gauge (0.05 - 0.13mm)Information provided by DuPont.
Physical Properties Metric English Comments
Density 1.3923 g/cc
0.050300 lb/in³
Mechanical Properties Metric English Comments
Film Elongation at Break, MD 160 %
160 %
ASTM D882A
Film Elongation at Break, TD 160 %
160 %
ASTM D882A
Film Tensile Strength at Break, MD 159 MPa
23000 psi
ASTM D882A
Film Tensile Strength at Break, TD 165 MPa
24000 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 0.50 %

@Temperature 150 °C,
Time 1800 sec
0.50 %

@Temperature 302 °F,
Time 0.500 hour
Unrestrained
Shrinkage, TD 0.20 %

@Temperature 150 °C,
Time 1800 sec
0.20 %

@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®
Optical Density 14
14
[%]
Haze 31 %
31 %
ASTM D1003
Electrical Properties Metric English Comments
Dielectric Strength 106 kV/mm
2700 kV/in
1/4" electrode 500 V/sec 25°C in air; ASTM D149
Dielectric Breakdown 13500 V
13500 V
1/4" electrode 500 V/sec 25°C in air; ASTM D149
Descriptive Properties Value Comments
Yield (nominal) 4000 in2/lb
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