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Polypropylene Nonwoven Needle Felt - China

price: contact company for price

Polypropylene Nonwoven Needle Felt

Listing Description

1)Excellent resistant to hydrolysis, acids and alkalies.

2)Smooth surface, good air permeability

3)Lower fiber release, Lower density

4)High mechanical characteristics


Galvanic industry and Chemical industry Prefiltering solvents and acids

Prefilter to extend final filter life Final filter for noncritical filtrations

Liquid-solid sepration with strong acid and alkali conditions filter press

Air filtration under 90℃


Material Polypropylene/polypropylene scrim

Weight(g/m2) 500 550 600 650

Thickness(mm) 2.0 2.2 2.4 2.6

Air permeability(m3/m3/min) 12.6 10.8 9.6 8.4

Tensile Strength(N/5X20cm) Warp >960 >1150 >1350 >1500

Weft >1060 >1400 >1650 >1800

Tensile elongation(%) Warp <35 <35 <35 <35

Weft <55 <55 <55 <55

Working temperature(℃) Continues <90 <90 <90 <90

Instant 110 110 110 110

Anti-acid Excellent Excellent Excellent Excellent

Anti-alkali Excellent Excellent Excellent Excellent

Anti-abrasion Excellent Excellent Excellent Excellent

Finishing treatment Singeing or high temperature press


Polypropylene is a relatively low temperature fiber with quite excellent chemical resistance which finds use in specialist applications such as the chemical industry.

The fibers cannot hydrolyse, the only chemical weakness being a susceptibility to oxidising agents. Other than that they can be used almost universally provided the temperature is below 90°C.The fiber is of a low density (it floats in water) and so a given denier of fiber is much larger in diameter than the polyester equivalent. This leads to felts being quite thick, almost 50% thicker than for the same polyester weight.The fiber is very prone to static build up so the felts are often augmented by the incorporation of either conductive fibers or a conductive scrim or a combination of the two. This then helps to dissipate potential static electric discharges.

Polypropylene Nonwoven Needle Felt

Feel free to contact us with all your questions

Company Contact:

  • Phone: 86057683672255

  • Address: Pingqiao Industry Zone Of Tiantai,Zhejiang , Taizhou , China

  • Email: Email

Published date: October 10, 2012 -

  • Business Description: involved in international trade import export of goods, products, and services

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