STANNDARD

SPECIFICATION FOR PET w/o proof treatment

Construction

Fibre Composition

Polyester     2.2D/1.56D

Scrim Composition

PE filament

Felt Area Weight

550       

g/m2

Thickness

1.70  

mm

O&W proof level

4 grade

Mean Air Permeability

13   

m3/m2/min/12.7mmH2O

Breaking Strength-MD

1000       

N / 5cm

Breaking Strength-CMD 

1600      

N / 5cm

Breaking Elongation( N/5cm)-MD

35        

%

Breaking Elongation( N/5cm)-CMD

55     

%

Dry Shrinkage     MD(130°C )

<1        

%

Dry Shrinkage     CMD(130°C)

<1       

%

Operating Temperatures

<130

Recommended Maximum Continuous

130      

deg C

Recommended Maximum Surge

150        

deg C

Finish

(singed and calendered,w/o proof)