Motor Insulation

Motor customers count on us to provide custom-made electrical, mechanical, thermal and environmental insulation tubes necessary to protect electrical connections in motors. These tubes include spiral-wound PET and plastic combination products.

Request your personalized quote to learn how our custom designs can meet your specific motor insulation needs.

Types

Common types of motor insulation tubes include:

  • PET NS (No Shrink) polyester outside with PET HS (Heat Shrink) polyester inside
  • Tube shrinks around the splice protecting the connection with an air pocket
  • PET NS polyester outside with Nomex® and HS polyester inside
  • Features a thermal upgrade (155° C) plus cut-through protection
  • PET HS polyester outside with extruded polyethylene tube inside
  • Designed as a lower-cost alternative to a heavy-wall (.012″) with an all HS tube
  • PET HS polyester outside with extruded Zytel (nylon) inside
  • Provides superior cut-through protection

Features

Features of our motor insulation tubes include:

  • Low extractable levels below 2%, making them ideal for hermetic applications such as air conditioners, refrigerators and more
  • Ability to resist cut-through at splice connections
  • Ability to resist wear from abrasion due to vibration on crossover and lead-wire insulation 

Materials

We manufacture our automotive tubes with high-quality materials such as:

  • Specially bonded and spiral-wound polyester
  • Polyamide
  • Polyimide formulation

Sizes

  • ID: .026″ to 6.000″
  • Wall Thicknesses: .0015″ to .012″
  • Lengths: up to 36.000″

For more information on the materials, applications and benefits of our motor insulation products, view our Motor Insulation PDF or contact the Paramount Tube team with any questions.