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DuPont Teijin Films Mylar® MO Polyester Film, 500 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® MO Polyester Film, 500 Gauge.pdf
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Material Notes:
Product Description: Mylar® MO polyester film has excellent electrical properties. This film offer exceptional cut-through resistance, low shrinkage, low moisture absorption, and high thermal durability. Mylar® MO film is used as insulation in systems that have been given Class B ratings by Underwriters Laboratories (UL). It offers product uniformity that enhances processing on automatic slot and wedge insertion equipment. The inherit mechanical durability of Mylar® Type MO film and its good dielectric and thermal durability characteristics give this film multiple advantages in motors and generators. Typical Applications: Mylar® MO film is being widely used for electrical insulation in slot liners, wedges, and phase insulation for motors and generators. This film is also frequently used in hermetic motor/compressor sealed units, fractional horse power motors, diaphragms, and industrial laminations.Approvals: UL 94 VTM-2 - for 500 gauge ( 0.13 mm only)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 140 %
140 %
ASTM D882A
Film Elongation at Break, TD 115 %
115 %
ASTM D882A
Film Tensile Strength at Break, MD 186 MPa
27000 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 1.1 %

@Temperature 150 °C,
Time 1800 sec
1.1 %

@Temperature 302 °F,
Time 0.500 hour
Unrestrained
Shrinkage, TD 0.70 %

@Temperature 150 °C,
Time 1800 sec
0.70 %

@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
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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