Flexible Ducting

The 4991 is a fiberglass base cloth coated on both sides with PVC. It is flame retardant to M1 and has been designed for indoor uses: FR curtains for workshops, flame retardant covers, insulation laggings, flexible ventilation ductings, etc…

Advantages:

  • Flame retardant M1 (burns less than 5 seconds)
  • Supple
  • Very good mechanical resistance
  • Exceptional flame resistance (see our video below)
  • Very good stability when exposed to heat
  • Weldable by HF or hot air
  • Choice of colours

 

Respecting norms:

International flame retardancy norms - up to M0 incombustibility

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