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cable and tubing since 1959
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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
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Item #

AWG Size

Nom. Bare Wire Diameter

Min. Increase in Diameter Due to Film Coating

Max. Overall Diameter of Film-Coated Wire

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N/A 14 N/A 0.0641 in1.628 mm N/A 0.0016 in0.041 mm N/A 0.0666 in1.692 mm
N/A 15-1/2 N/A 0.0539 in1.369 mm N/A 0.0015 in0.038 mm N/A 0.0561 in1.427 mm
N/A 15 N/A 0.0571 in1.450 mm N/A 0.0015 in0.038 mm N/A 0.0594 in1.509 mm
N/A 16-1/2 N/A 0.0480 in1.219 mm N/A 0.0014 in0.036 mm N/A 0.0503 in1.278 mm
N/A 16 N/A 0.0508 in1.290 mm N/A 0.0014 in0.036 mm N/A 0.0531 in1.349 mm
N/A 17-1/2 N/A 0.0427 in1.085 mm N/A 0.0014 in0.036 mm N/A 0.0448 in1.140 mm
N/A 17 N/A 0.0453 in1.151 mm N/A 0.0014 in0.036 mm N/A 0.0475 in1.207 mm
N/A 18-1/2 N/A 0.0380 in0.965 mm N/A 0.0013 in0.033 mm N/A 0.0401 in1.019 mm
N/A 18 N/A 0.0403 in1.024 mm N/A 0.0013 in0.033 mm N/A 0.0424 in1.077 mm
N/A 19-1/2 N/A 0.0339 in0.861 mm N/A 0.0012 in0.030 mm N/A 0.0358 in0.912 mm
N/A 19 N/A 0.0359 in0.912 mm N/A 0.0012 in0.030 mm N/A 0.0379 in0.963 mm
N/A 20-1/2 N/A 0.0302 in0.767 mm N/A 0.0012 in0.030 mm N/A 0.0321 in0.815 mm
N/A 20 N/A 0.0320 in0.813 mm N/A 0.0012 in0.030 mm N/A 0.0339 in0.861 mm
N/A 21-1/2 N/A 0.0269 in0.683 mm N/A 0.0011 in0.028 mm N/A 0.0287 in0.729 mm
N/A 21 N/A 0.0285 in0.724 mm N/A 0.0011 in0.028 mm N/A 0.0303 in0.770 mm
N/A 22-1/2 N/A 0.0239 in0.607 mm N/A 0.0011 in0.028 mm N/A 0.0255 in0.650 mm
N/A 22 N/A 0.0253 in0.643 mm N/A 0.0011 in0.028 mm N/A 0.0270 in0.686 mm
N/A 23 N/A 0.0226 in0.574 mm N/A 0.0010 in0.025 mm N/A 0.0243 in0.617 mm
N/A 24-1/2 N/A 0.0190 in0.483 mm N/A 0.0010 in0.025 mm N/A 0.0206 in0.523 mm
N/A 24 N/A 0.0201 in0.511 mm N/A 0.0010 in0.025 mm N/A 0.0217 in0.551 mm
N/A 25-1/2 N/A 0.0169 in0.429 mm N/A 0.0009 in0.023 mm N/A 0.0184 in0.467 mm
N/A 25 N/A 0.0179 in0.455 mm N/A 0.0009 in0.023 mm N/A 0.0194 in0.493 mm
N/A 26-1/2 N/A 0.0150 in0.381 mm N/A 0.0009 in0.023 mm N/A 0.0164 in0.417 mm
N/A 26 N/A 0.0159 in0.404 mm N/A 0.0009 in0.023 mm N/A 0.0173 in0.439 mm
N/A 27-1/2 N/A 0.0134 in0.340 mm N/A 0.0008 in0.020 mm N/A 0.0148 in0.376 mm
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