Non Woven Needle Felt Filter Medias

PTFE needle punched felt

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PTFE needle punched felt
PTFE needle punched felt are produced from 100% PTFE fiber which has been punched in three-dimentional 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 range. 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.

 

Features:

• Be composed of 100% pure PTFE;
• Can operate at 240 °C continuously;
• Acid and alkali Resistance, corrosion resistance,have storong chemical stability (0-14 PH)
• Can be used under high humidity environment;
• Low shrinkage rate even if under high temperature,
• Aging resistance;
• No enviroment pollution

 

Applications:

• Combustion
• Coal burning boiler
• waste incineration
• carbon black producing
• Tio2 producing for fume treatment or dust collection

 

Specification

Compositions

100%PTFE

Weight (g/ m2)

800

Thickness (mm)

1.0~1.5

Air permeability (L/m2/s)

1.8-3.6

Tensile strength
(N/5 20cm)

wrap

≥600

weft

≥800

Tensile Elongation(%)

wrap

<20

weft

<50

Broken strength
(Mpa/min)

1.95

Continuous working temperature(℃)

≤250

Short time Working temperature(℃)

300

Anti-acid

Excellent

Anti-alkali

Excellent

Anti-abrasion

Excellent

The stability of water solution

Excellent

Finishing treatment

Singeing,Het setting,Calendering