Polypropylene needle felt
Description
Polypropylene needle felt(Needle Punch Polypropylene Fabrics,non woven polypropylene fabric) has high filtration efficiency, low pressure loss , stable filtration efficiency, long life, low cost filter , safety, adaptability.
Features:
(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 Properties of polypropylene needle felt:
Fibre Composition
|
Polypropylene staple fiber
|
Scrim Composition
|
Polypropylene
|
Weight
|
500
|
g/m2
|
Thickness
|
2
|
mm
|
Mean Air Permeability
|
1.50-2
|
m3/m2/[email protected]
|
Breaking Strength-CD ( warp )
|
≥1700
|
N/5x20cm
|
Breaking Strength-MD (weft)
|
≥2200
|
N/5x20cm
|
Breaking Elongation-CD
|
<20
|
%
|
Breaking EIongation-MD
|
<30
|
%
|
Dry Shrinkage-CD
|
< 1.5
|
%
|
Dry Shrinkage-MD
|
< 1
|
%
|
Recommended Continous Operating Temperature
|
90 /194
|
°C
|
Recommended Short-term Operating Temperature
|
120 /248
|
°C
|
Finishing
|
Singeing, Calendering, Heat setting
|