APICAL® Polyimide CR

APICAL® Polyimide Film Division

Type CR Polyimide Film

APICAL® Polyimide Film Is the Right Choice.

APICAL® Corona Resistant Polyimide 110CR and L50CR11 are high temperature Polyimide Films. These CR films have excellent thermal and electrical stability over the long life of any motor.

APICAL® 110CR and L50CR11 is designed to withstand the compounding conditions and form strong interfacial bonding with many materials.   The polymer will remain stable during extended high temperature continuous use conditions.


  • Motors
  • Generators
  • Transformers


  • Excellent thermal and electrical stability
  • Excellent adhesion to copper
  • Excellent corona resistant stability

Polyimide Films

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Here's your chance to ask Kaneka Engineers questions about APICAL Polyimide film and its applications. Use it as an open exchange of ideas and questions about polyimide applications, challenges, and innovations. ​
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Typical Properties 110CR@ 27um (1.10 mil)


Value Test Method
Corona Resistance hrs >100,000 IEC 60343
Dielectric Strength v/mil 6000 ASTM D149
Volume Resistivity ohm/cm 4.5×1018 ASTM D257
Surface Resitivity ohm/sq 1.5×1016 ASTM D257
Dielectric Constant 2.77 IPC TM 650
Dissipation Factor 1MHz 0.000024 IPC TM 650


  Value Test Method
Tensile psi (MPa) 40,000 (276) ASTM D882
Elongation % 98 ASTM D882
Modulus ksi 560 ASTM D882
Tear Propagation 0.9 ASTM D1922
Tear Initial 7.1 ASTM D1004
Yield g/m2 44.88 Kaneka Method
Density 1.57 ASTM D1505


More Information


Industries who depend upon APICAL® Polyimide Film benefit not only from a carefully designed product, but from the process behind it as well. Unlike many film manufacturers, APICAL® Polyimide process technology is driven by quality not speed.


In spite of being lighter in weight than many of the materials it has replaced, the overall performance of APICAL® Polyimide surpasses them. Its high degree of dimensional stability allows it to be wrapped tightly for applications where space is a premium. It is tough, highly resistant to tearing, abrasion and puncture.

Technical Data

APICAL® Polyimide Films possess an excellent balance of physical, thermal, electrical, and chemical properties over a wide range of temperatures for flexible printed circuits, tape automated bonding, motor generator insulation, wire and cable insulation, pressure sensitive tape and other uses.

What Materials Do You Need?

Contact Sales at 800-222-8128