Flexo Halar® Plenum Rated Sleeving

Low Outgassing, Self Extinguishing, UL-2024 Rated Sleeving


Flexo Halar® (HT)

Flexo Halar® self-extinguishing sleeving is used where flammability, high temperature endurance and low outgassing are primary concerns. HT is braided from 11 mil ethylene chlorotrifluoroethylene (ECTFE) copolymer monofilament.

Because of its low flame spread and smoke generation properties, HT has received UL 2024 and NFPA 262 plenum listings, UL flame resistance rating of VW-1 and exceeds automotive industry requirements of FMVSS 302, as well as aviation industry requirements of FAR 25. HT is fully RoHS compliant.

HT resists a wide range of corrosive chemicals and organic solvents, including strong acids, chlorine and aqueous caustics. HT also maintains useful properties on exposure to cobalt 60 radiation at doses up to 200 megarads.


Outgassing Control When It Matters Most
halar application 1

When flame spread control and low outgassing are of primary importance, Halar® expandable sleeving is the preferred solution. HT sleeving is in wide use among military and civilian aircraft and aerospace manufacturing, closed system air handling facilities and technologically advanced HVAC applications in schools and factories.


  • Cuts Easily With Hot Knife
  • RoHS Compliant
  • Very Low Outgassing
  • Resists Common Chemicals & Solvents
  • Expands Up to 150%
  • UL-2024 & FAR 25 Approved
  • Operating Temperature Range: -103° to 302°F (-75° to 150 °C.) 464°F./240°C. Melt Temp.

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