China Needle Felt Needle Filter Felt Polypropylene Needle Filter Felt

Polypropylene needle felt for industrial filtration
Polypropylene is a relatively low tempSpecialized Case & Box erature 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 sOther Tools & Hardware tatic electric discharges.
Features:
• Smooth surface, more defined pore size and good air permeability
• Low temperature resistance ( 88-110 ºC)
• Excellent resistant to hydrolysis, acids and alkalies.
• Lower fiber release, Lower density,High mechanical characteristics
Applications:
• Riveter Galvanic industry and Chemical industry
• Prefiltering solvents and acids
• Prefilter to extend final filter life
• Final filter for noncritical filtrations
• TLiquid-solid sepration with strong acid and alkali conditions filter press
• Air filtration under 100ºC
SpecificationShopping Bags CompositionsPP/PP ordinary scrimWeight (g/ m2)500550Thickness (mm)2.12.3Air permeability (L/m2/s)12.610.8Tensile strength
(N/5 20cm)wrap>960>1200weft>1060>1500Tensile Elongation(%)wrap<35<35weft&Cable Tools lt;55<55Broken strength
(Mpa/min)2.152.10Continuous working temperature(ºC)8888Short time Working temperature(ºC)110110Anti-acidExcellentExcellentAnti-alkaliExcellentAnti-abrasionExcellentThe stability of water solutionExcellentFinishing treatmentHigh temperature hot pressing,Singeing
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