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3M COMPOSITE FILM ELECTRICAL TAPE 44

Key Features

  • Laminated polyester/polyimide film backing for mechanical durability and electrical performance

  • Acrylic adhesive provides firm, heat-stable bonding

  • High dielectric strength with thin profile insulation

  • Suitable for continuous operation at temperatures up to 130°C (Class B)

  • Excellent resistance to moisture, chemicals, and solvents

  • Compatible with resin and varnish systems

  • UL Recognized and CSA Certified


Typical Applications

  • Insulating coils, capacitors, and wire harnesses

  • Ground and barrier insulation in transformers and electric motors

  • Slot cell insulation in stator and rotor assemblies

  • High dielectric insulation for narrow spaces

  • Use in electronic components, power supplies, and industrial equipment

  • Suitable for use in Class B electrical insulation systems

Enquiry Now

3M™ Composite Film Electrical Tape 44 is a high-performance electrical insulating tape made with polyester film/polyimide film laminate backing and coated with a thermosetting acrylic adhesive. Designed for Class B insulation systems (up to 130°C), it offers excellent electrical strength, thermal stability, and chemical resistance. The tape is especially suited for applications requiring a high dielectric breakdown strength in a thin, flexible format.

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