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Kapton® JP

DuPont™ Kapton® JP films are designed with optimum forming capabilities. Parts formed from Kapton® JP polyimide exhibit excellent shape retention and minimum shrinkage, which is not often possible when using Kapton® HN or HA.


  • Automotive diaphragms
  • Speaker cones
  • Appliances
  • Electronics

Typical Properties of Kapton® JP

Property 100JP 200JP 300JP 500JP 
Ultimate Elongation, % at 200°C 142 148 155 170
Glass Transition Temp (Tg), °C 300 300 300 300
Moisture Absorption, & 24 hr. in Boiling Water 1.5 1.8 1.9  2.1

For a complete listing of JP properties, click here .