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.
Unit of Measure
Specifications
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Electrical Properties
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Physical Properties
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Thermal Properties
|
General Information
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Special Features
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Applications
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Note
Specifications
Length |
N/A 666 ft |
Thickness |
N/A 500 gauge0.005 in |
Width |
N/A 20 in |
Weight |
N/A 40 lb |
| Inside Diameter1 | N/A 3 in |
Outside Diameter |
N/A 13 in16 in18 in |
Approvals |
N/A Underwriters Laboratories (UL 94 VTM-2) |
Optical Opacity |
N/A 14 % |
Density |
N/A 1.3923 g/cm³ |
Electrical Properties
Dielectric Strength |
N/A 13.5 kV |
Test Method for Dielectric Strength |
N/A American Society for Testing and Materials (ASTM) D149 1/4" electrode 500 V/sec 25ºC in air |
Physical Properties
Elongation at Break (Machine Direction (MD)) |
N/A 140 % |
Test Method for Elongation at Break (Machine Direction (MD)) |
N/A American Society for Testing and Materials (ASTM) D882A |
Elongation at Break (Transverse Direction (TD)) |
N/A 115 % |
Test Method for Elongation at Break (Transverse Direction (TD)) |
N/A American Society for Testing and Materials (ASTM) D882A |
Tensile Strength (Machine Direction (MD)) |
N/A 27 psi |
Test Method for Tensile Strength (Machine Direction (MD)) |
N/A American Society for Testing and Materials (ASTM) D882A |
Tensile Strength (Transverse Direction (TD)) |
N/A 30 psi |
Test Method for Tensile Strength (Transverse Direction (TD)) |
N/A American Society for Testing and Materials (ASTM) D882A |
Nominal Yield |
N/A 4000 lb/in² |
Thermal Properties
Shrinkage Machine Direction (MD) |
N/A 1.1 % |
Test Method for Shrinkage Machine Direction (MD) |
N/A Unrestrained at 150ºC /30 min |
Shrinkage Transverse Direction (TD) |
N/A 0.7 % |
Test Method for Shrinkage Transverse Direction (TD) |
N/A Unrestrained at 150ºC /30 min |
General Information
General Information |
N/A The inherit mechanical durability of Mylar® Type MO film and its good dielectric and thermal durability characteristics endow this film with multiple advantages in motors and generators. |
Special Features
Special Features |
N/A
Slit rolls are available in the following configuration: Master rolls are available as shown in the Standard Put-Ups table . They are splice free and are available in selected widths in minimum order quantities of 35,000 lb per order with a minimum of 10,000 lb per item . |
Applications
Applications |
N/A Mylar® MO film is being widely used for electrical insultation 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. |
- 1 6" ID Core available.
