STANNDARD

SPECIFICATION FOR PPS needle FELT

Construction

Needle felt

Fibre Composition

PPS  

Scrim Composition

PPS

Felt Area Weight

500       

g/m2

Thickness

1.8-2.1

mm

Mean Air Permeability

8-12

m3/m2/[email protected]

Breaking Strength-MD

1000  

N / 5cm

Breaking Strength-CMD

1500      

N / 5cm

Breaking Elongation( N/5cm)-MD

600       

N

Breaking Elongation( N/5cm)-CMD

900   

N

Dry Shrinkage     MD(90°C

<1        

%

Dry Shrinkage     CMD(90°C

<1       

%

Operating Temperatures

110--130

deg C

Recommended Maximum Continuous

< 130

deg C

Recommended Maximum Surge

130 

deg C

Finish

(Singed, heat set & calandered)