Polypropylene Needle Felt

Capable of manufacturing standard PP product 15,000 squares per day
Diameter & Length: Accept customization
PP filter has high filtration efficiency, low pressure loss , stable filtration efficiency, long life, low cost filter , safety, adaptability.
Finish-treatment: Calendering, Heat setting, Singeing

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1) Low temperature resistance ( 88-120 °C)
2) Excellent resistant to hydrolysis, acids and alkalies
3) Smooth surface, more defined pore size and good air permeability
4) Lower fiber release, Lower density, High mechanical characteristics


Physical and Chemical Characteristics of Polypropylene Needle Felt:

Product name PP needle felt 500g/m²
Product Code ES-PP500N
Physical properties  
Fiber Polypropylene staple fiber
Scrim Polypropylene yarn
Weight g/m² 500
Thickness mm 1.9
Width m ≤2.2
Finish treatment Heat setting, Calendering, Singeing
Air permeability l / m2 / s @200pa 200~300
Tensile strength (N/5×20cm) Warp 1100
  Weft 1200
Tensile elongation Warp 35
  Weft 45
Continuos temperature 90
Instant temperature 120
Chemical Properties  
Anti-acid Good
Anti-alkali Middle
Anti-abrasion Excellent
Hydrolysis stability Middle