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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 17-1/2

Min. Bare Wire Diameter

N/A 0.0423 in1.074 mm

Nom. Bare Wire Diameter

N/A 0.0427 in1.085 mm

Max. Bare Wire Diameter

N/A 0.0429 in1.095 mm

Min. Increase in Diameter Due to Film Coating

N/A 0.0014 in0.036 mm

Min. Overall Diameter of Film-Coated Wire

N/A 0.0437 in1.110 mm

Max. Overall Diameter of Film-Coated Wire

N/A 0.0448 in1.140 mm