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) |
|
|
