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PPS needle-punched filter felt
Diaphragm

Detail:

PPS high temperature resistant needle-punched filter felt
PPS fiber can keep intensity completely and bear chemistry nature inherently, keep good filtration performance among the abominable environment, reach ideal service life. In coal boiler, rubbish incinerator, power plant of fly ash filtering of pulse clear dust catcher, PPS filter felts are an ideal filtration material. PPS filter felt is one of the main filter material able to bear the high temperature according to processed of production technology and artificial material of other high-temperature filter felt. 
 

PPS (Polyphenylene Sulfide) Fibers Features

Exceptional Stability for a Wide Range of Temperature and Frequency Variations 
Be suitable for the oxygen content below 15%; 
Chemical Resistance to Acids, Alkalis and Organic Solvents 
Containing moisture in the flue gas; Hydrolysis Resistance 
Very stable in finished felt form with stability standards at 2% shrink or stretch. 
Favorable temperature resistance melting point 285℃, limited oxygen index 34~35;

 

Disadvantages

Fair resistance to oxidation under high temperature
When the oxygen in the smoke ( O2 content) over 10% and the operating temperature over 165℃, PPS will be in decomposition.

 

Applications

Coal - Fired Boilers bag houses 
Municipal Solid Waste Boilers and Waste incinerator 
Calciners / Catalysts 
Electric power plant 
Electrolysis and other Specialty membranes 
Waste to energy 
Iron and non ferrous Metal Industry Specification

Compositions

PPS stable fiber

Weight (g/ m2)

500

Thickness (mm)

1.8

Air permeability (L/m2/s)

200-300

Tensile strength
(N/5 × 20cm)

wrap

1250

weft

1350

Tensile Elongation(%)

wrap

30

weft

30

Broken strength
(Mpa/min)

2.6

Continuous working temperature(℃)

≤190

Short time Working temperature(℃)

230

Anti-acid

Excellent

Anti-alkali

Excellent

Anti-abrasion

Excellent

The stability of water solution

Excellent

Finishing treatment

High temperature hot pressing,Singeing



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