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PPS needle felts

PPS high temperature resistant needle filter is produced with the production process of polyphenylene sulfide fiber felt by the pressure of light, heat and water repellent treatment.
Advantages:
1, Good hydrolysis resistance, has excellent acid and alkali corrosion, sulfur or sulfur oxides in flue gas fuel can be used;
2. In the flue gas oxygen content of less than 14% of the collection can be used in dust, but the temperature should be lowered accordingly;
3.Long time working temperature of 190℃, short-time temperature is 220 ℃, the melting point of 285 ℃;
4.Suitable for dedusting of flue gas humidity, high concentration, strong adhesion and chemical composition of PPS filter ,remaining strength and chemical resistance, can maintain a good filter performance in harsh environments, is the first choice of filter material of coal-fired boilers, waste incineration power plant and city dust processing, can also be used in alumina plant powder for dust purification.

550g/㎡PPS needle felts technical data
Material		PPS fiber/PPS scrim
Weight(g/m2)		550
Air permeability(m³/㎡/min)		15
Thickness(mm)		1.9
Tensile Strength(N/5cm)	warp	>900
Tensile Strength(N/5cm)	weft	>1200
Elongation at break(%)	warp	≤25%
Elongation at break(%)	weft	≤45%
Dry shrinkage at 210℃ within 90 min.	warp	<1.0%
Dry shrinkage at 210℃ within 90 min.	weft	<1.0%
Working Temperature		160℃
Peak Temperature		190℃
Finishing Treatment		Heat setting/singed/Glazed/oil and water repellent at 5 grade
Note		The parameters above come from ideal lab-condition, the performance will change a little bit in-linewith actual application.

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