ESPE Manufacturing Co., Inc.
9220 Ivanhoe Street
Schiller Park, Illinois 60176

Toll Free: 800-367-3773 (800-FOR-ESPE)
Phone: 847-678-8950
Fax: 847-678-0253
Email: sales@espemfg.com
Website: www.espemfg.com
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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

Length

 N/A 750 ft

Thickness

 N/A 500 gauge0.005 in

Width

 N/A 20 in

Weight

 N/A 45 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.

Note

Note

 N/A Custom Width available RFQ.
  • 1 6" ID Core available.