Table 2. Result of Tensile Strength 

 Test on Ropes (lbs) 



Rope 



Diam. 

 (inch) 



Before 

 Exposure ' 



1 2 

 After Exposure ' 



Percent 

 Change 



Polyester 



1/4 



1533 



1437 



6.3 decrease 



Polypropylene 



1/4 



1137 



1029 



9.5 decrease 



Nylon 



1/4 



1514 



1215 



19.7 decrease 



Manila 



1/4 



701 



Biodegradated 





Cotton 



1/2 



1646 



Biodegradated 





1. Average of 2 ropes 



2. Tensile strength applied at 3 inch per minute 



3. Type M, Class 2. Mildew Resistent 



