PTFE ( Polytetrafluoroethylene) needle-punched filter felt

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Product Description

A 260°C (500°F) maximum service temperature, 100%  polytetrafluoroethylene coated felt filter bag that incorporates a conductive staple to offer static dissipation in pulse jet style dust collectors with chemically aggressive operating conditions.


  • High temperature resistance
  • High corrosion resistance


  • Steel industry
  • Metallurgy industry
  • Nonferrous metal industry
  • Bitumen industry
  • Firepower electricity generation industry
  • Cement industry
  • Coke industry
  • Fireproof materials and other coal powered Fields for dust removal

Technical Parameter

Fiber Composition PTFE
Weight(g/m²) 700
Thickness (mm) 1.8
Air Permeability(m³/m²/min) 11
Warp Strength (N/5×20cm) 950
Weft Strength (N/5×20cm) 1100
Working Temperature (℃) 250
Short Working Temperature (℃) 280
Acid resistant Strong
Alkali resistant Strong
Oxidation No
Hydrolyze No
Surface Treatment Singeing、calendaring、heat setting

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