National Plastics and Seals is a familiar name in the electrical insulation market by providing fiberglass sleeving to meet your specific UL, CSA and / or temperature class rating.

Fiberglass sleeving is supplied as:

  • Heat treated fiberglass
  • Vinyl coated fiberglass
  • Modified acrylic coated fiberglass
  • Silicone rubber coated fiberglass
  • Thin wall fiberglass
  • Expandable monofilament
  • Heat treated and saturated fiberglass
Fiberglass Insulation Sleeving
  • Heat treated
  • Acrylic coated
  • Silicone Rubber coated
  • Vinyl coated
  • Expandable
Certifications:

Certifications included but are not limited to:

  • REACH
  • RoHS
Sizing:
  • 24 AWG (.024”) to 2.50”
  • Continuous spools
Capabilities:
  • Custom cut sizes
  • Printed/Marked