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Electrical Insulation & Barrier Materials

Flame Retardant UL 94 V-0 Electrical Insulation and Materials

Electrical Insulating Materials ITW Formex® polypropylene flame retardant materials provide superior electrical insulation in industrial and consumer electronic equipment. It is also useful as a thermal and electrical barrier material. Formex™ materials are available as extruded sheets, rolls or panels and can be fabricated into a wide range of shapes to meet the flammability and dielectric needs of a variety of applications.

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Formex GK

Formex GK (f1)
Formex CN

Formex™ GK Electrical Insulation Material

  • 0.005 to 0.062 inch thick (0.127 to 1.57 mm).
  • Superior dielectric strength.
  • Continuous use temperature to 115C.

Technical Data Sheet

ITW Formex® Electrical Insulation Brochure

Formex™ Electrical Insulation Material

  • Up to 0.125 inch thick (3.18 mm).
  • Continuous use temperature to 110C.

Technical Data Sheet


Statex™ Static Dissipation Material

  • 0.010 to 0.031 in. thick (0.25 to 0.79 mm).
  • Static dissipative ESD protection.
  • Continuous use temperature to 110C.

Technical Data Sheet

Formex™ CN Halogen-Free Flame Retardant Electrical Insulation Material

  • 80°C (176°F) UL Temperature Rating
  • UL 94 V-0 Rated
  • Low Moisture Absorption (<0.24%)

Technical Data Sheet

Note: Above sizes are standard; custom sizes also available.

 Product Advantages

UL 94 V-0 Flame Class Rating Meets global safety standards.
Non-Hygroscopic <0.06% moisture absorption.
Chemical Resistance Maintains mechanical/electrical properties.
Superior Dielectric Breakdown 24,820 V @ 0.017 in. (0.43 mm)
Excellent Score and Fold Parts will not crack or split and ship flat to save freight costs.
Cost-Effective Lower overall part cost with thinner materials.
Static Dissipative
109 to 1011 Ohms per sq. surface resistivity
Static decay < 2 sec.


Global Standards

ITW Formex® polypropylene electrical insulation materials meet the requirements of the following global standards:

  • North America
    • UL
    • CSA
  • Asia
    • METI
  • Europe
    • IEC
    • VDE
    • TUV
    • BSR

Environmental Bulletin
Formex BK
Formex GK
Formex GK-BK
Formex CN
Formex CN-BK
  • RoHS Restriction of Hazardous Substances Directive (EU)
  • REACH Registration, Evaluation, Authorization and Restriction of Chemical substances (EU)
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Formex GK Electrical Insulation Material | Formex  Electrical Insulation Material | Statex Static Dissipation Material
Formex CN Halogen-Free Electrical Insulation Material