Phone: (800) 345-4217 or (323) 277-0900 (Intl.)
Fax: (800) 710-0270 or (323) 277-0909 (Intl.)

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    Cloth
Nextel 440 Technical Data

Continuous Temp    2,500°F (1,370°C)
Melt Temp    3,272°F (1,800°C)


  • Low thermal conductivity
  • Non-oxidizing
  • Non-hygroscopic
  • Essentially chemically resistant
  • Good abrasion resistence

Aluminum Oxide    70%
Silicone Dioxide    28%
Boron Oxide    2%


  • Furnace zone dividers
  • Vacuum furnace linings
  • Flexible seals
  • Sewn refractory parts and shapes
  • Flexible aircraft thermal barriers
  • Composite fire barriers for aircraft
  • Structural reinforcement
  • Radomes
  • Tadpole Gaskets

Applicable Standards: U.S.C.G. subpart 164.009