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PTFE needle punched felt are produced from 100% PTFE fiber which has been punched in three-dimensional structure. They have excellent features such as excellent flexibility. Molding capability, high tensile strength, creep resistance, high and low temperature resistance, corrosion resistance and anti-aging. 100%PTFE filter material can meet requirements in hostile environments of temperature fluctuating and acid & alkali in all PH rage. The lifespan of PTFE filter material will be guaranteed for over 4 years as long as the temperature is controlled under the maximum operating temperature.
Product Feature
Be composed of 100% pure PTFE
Can operate at 240centigrade continuously
Acid and alkali resistance, corrosion resistance
Have strong chemical stability (0-14 PH)
Can be used under high humidity encironment
Low shrinkage rate even if under high temperature
Aging resistance
No environment pollution
Application
Combustion
Coal burning boiler
Waste incineration
Carbon black producing
Tio2 producing for fume treatment or dust collection
PTFE fiber are supplied blended with glass fiber and P84 to produce FNS series
Composition 100% PTFE
Weight(g/m) 800
Thickness (mm) 1.0-1.5
Air permeability(m3/m2/min) 1.8-3.6
Tensile strength(N/5*20cm) warp≥600 weft≥800
Tensile elongation (%) warp less than 50 weft less than 50
Broken strength(Mpa/min ): 1.95
Continuous working Tem(centigrade) ≤250
Short time working Tem(centigrade) 300
Anti-acid Excellent
Anti-alkali Excellent
Anti-abrasion Excellent
The stability of water solution Excellent
Finishing treatment calendaring, PTFE treatment
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