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SAPT is a multi-purpose film insulation which has a modified polyester basecoat and a polyamideimide topcoat. This combination provides a film insulation which has physical toughness, excellent dielectric properties, and superior chemical resistance to common solvents and refrigerants. Thermal properties of over 200°C qualify it for severe thermal overload applications. Compared to nylon overcoated polyester, the properties most improved are physical moisture, chemical and thermal resistance. SAPT is an extremely moisture resistant film insulation coating, suitable for many uses including open motor, high moisture application and hermetic applications. Other outstanding properties include thermal life, thermoplastic flow, burnout and heat shock.

This product is the standard of excellence for motor repair, maximum result, and minimum reject applications. It is impressive because it couples the extra advantages of high moisture resistance with ease of insertion.

Typical Applications
  • Fractional and integral horsepower motors (hermetic and open)
  • Automotive and power tool motors
  • General purpose motors
  • Dry-type transformers
  • Large coil applications - unvarnished, varnished or encapsulated
  • Electronic Coils
Unit of Measure

Specifications

UL Listing

N/A UL Recognized Class 200 Product (Copper) UL Recognized Class 220 Product (Aluminum)

Mil-Spec No.

N/A MW 35-C/A

AWG Size

N/A 21

Min. Bare Wire Diameter

N/A 0.0282 in0.716 mm

Nom. Bare Wire Diameter

N/A 0.0285 in0.724 mm

Max. Bare Wire Diameter

N/A 0.0286 in0.726 mm

Min. Increase in Diameter Due to Film Coating

N/A 0.0011 in0.028 mm

Min. Overall Diameter of Film-Coated Wire

N/A 0.0293 in0.744 mm

Max. Overall Diameter of Film-Coated Wire

N/A 0.0303 in0.770 mm