3M Worldwide : United States : Manufacturing & Industrial

   
Nextel™ Woven Fabric 440



3M™ Nextel™ Ceramic Fibers 440 are an alumina-boria-silica fiber that contain mullite crystals. At 2% boria, these fibers contain less boria than Nextel™ Ceramic Fibers 312. These strong, continuous fibers are woven into fabrics that retain strength with little shrinkage at continuous temperatures up to 2500°F (1370°C).

Typical applications include:

  • Furnace curtains and zone dividers
  • Vacuum furnace linings
  • Flexible seals and gaskets
  • Sewn refractory parts and shapes
  • Flexible aircraft thermal barriers
  • Composite fire barriers
  • Structural reinforcement
  • Radomes
  • Furnace and duct linings

Ordering Information

    Item Width
    BF-20 36" (0,91m)
    BF-30 36" (0,91m)
 
 

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