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High Temperature PTFE Dust Air Filter Bags

Temperature :
Application :
Sample :

The PTFE dust filter bag is a unique material made of filter bag. It can withstand the acid-base erosion in the whole pH range under the temperature from 240 °C to 260 °C. The PTFE  filter bag is excellent in self-lubrication, does not absorb moisture, and can withstand ultraviolet radiation. However, the PTFE fiber filter material has a general wear resistance, so there is a strict requirement (cleanness) for the filter bag frame. PTFE fiber filter bags are suitable for use in harsh conditions where corrosion resistance is required and where filter media life requirements are high. 

After Surface Treatment of PTFE dust Filter Bags :

1. Ptfe Dipping : Improve the filtration precision ≤10mg/m³,  lower filtration efficiency but increase the acid-base resistance property . 

2. Ptfe film: Improve filtration precision ≤20mg/m³, can't lower the filtration efficiencyjust a small increase in acid-base resistance property


1. High Temperature resistance: up to 260℃ (572℉)

2. The Longest working life than other . Service life can reach 4-6 years at the temperature 66℃~204℃ and stable normal working conditions.

3. Excellent Anti-acid and anti-alkali resistance 

4. Excellent filter efficiency high to 99.99% 

5. Good performances of hydrolysis  and flame retardant

Application :

1. Waste Incineration Boiler 

2. Power Plant Boiler 

3. Other high temperature working conditons 

Physical Properties : 

Weight Temperature Air Permeability Break Strength Break Elongation
700-800g/m2 240-260 Degree C





Warp ≤30%

Weft ≤30%

Chemical Properties :

Acid Resistance Alkali Resistance Hydrolysis Resistance Abrasion Resistance Oxidation Resistance
Excellent Excellent         Excellent Good Excellent 

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PPS Filter bags (2)

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Fiberglass Filter Bags

Fiberglass Filter Bags 



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