STANNDARD

SPECIFICATION FOR PP FELT

Construction 

Needle felt

Fibre Composition

PP  

Scrim Composition

PP

Felt Area Weight(

550      

g/m2

Thickness

1.9

mm

Mean Air Permeability

12 

m3/m2/min/12.7mmH2O

Breaking Strength-MD

1000  

N / 5cm

Breaking Strength-CMD

1500      

N / 5cm

Breaking Elongation( N/5cm)-MD

35        

%

Breaking Elongation( N/5cm)-CMD

55    

%

Dry Shrinkage     MD(90°C)

<1        

%

Dry Shrinkage     CMD(90°C)

<1       

%

Operating Temperatures

90 C

Recommended Maximum Continuous

90  

deg C

Recommended Maximum Surge

110    

deg C

Finish

(Singed, Calendered)