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
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
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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