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Preoxidized PAN fiber

Application temperature:

up to 900 °C

Needle felts made from preoxidized PAN fibers are a composite of mechanically needled, preoxidized and thermally stabilized polyacrylonitrile (PAN) fibers (Preox fibers). This material has exceptional application properties and can be used as a fiberglass-free flame retardant fleece. Preox fiber is physiologically and toxicologically absolutely harmless and very kind to the skin.

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kombiTEX® CFV - Preoxidized PAN needle felts

(Polyacrylonitrile-(PAN)-fiber - up to 900 °C)

kombiTEX® CFV needle felts are flame retardant, self-extinguishing, do not melt and do not drip. The high LOI value makes the material particularly resistant to open flames. The average fiber diameter is 10-12 µm. Various designs are available, for example as needle felt-fabric composite felt, laminated with aluminum foil or as pure fiber felt.

Technical Specifications

Designation:kombiTEX® CFV - Needle felt
Application temperature:up to 900 °C
Application limit temperature:approx. 1400 °C (Welding protection)
Thickness:3 - 6 mm
Standard width:1000 mm, 2000 mm
Basis weight:300 g/m² - 800 g/m²
Density:100 kg/m³
Versions:Needle felt-glass fabric composite, aluminum foil (AL)

Technical Characteristics

  • Not melting and not dripping
  • Flame retardant, high LOI value
  • From approx. 600-700 °C the fiber decomposes into CO2 after approx. 15-20 minutes
  • Particularly skin-friendly (no fiberglass), very soft and extremely light
  • Physiologically and toxicologically absolutely harmless, odorless
  • Good heat resistance at extremely high temperatures
  • Excellent insulating and soundproofing
  • Electrically non-conductive

Application examples

  • Welding blanket
  • High temperature and electrical insulation
  • Heat and flame protection cover
  • Vehicle, body and metal construction