318 



The Philippine Journal of Science 













Elongation (read as percentage 



or in 



millimeters). 











4 8 12 16 20 24^ 28 32 



IZOO 

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600 











1 



































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300 





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A 



















1 











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1 



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1 



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1200 

























1 











































900 





































































• 





bUU 



300 







lesiH 

 f^CrQ— 



^ 



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rr^l 







































r 













































































































IZUU 







































300 

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jjlkS 



ui^ 



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vO-O-Oi 



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300 



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7 





































f 



































































IZOO 

 300 

 600 































































-o 



















. A/,% 



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r 















Ux 





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300 



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r^ 





> — ' 

































 1200 

 900 

 600 



V 











— 













^ -^ 



>^ 



r 



PO^ 



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^ 



H 







n-' 





Jes 



1 





-o- 























300 

 

 1200 

 900 

 600 

 300 



n 



r 



w 













I — 











— 







































































rv< 



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m ^°i 



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 >— — 









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t 



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f 































1 



Fia 3. Stress-deformation 



graphs of single, machine-cleaned, coir filaments ; 

 from Table VH. 



values taken 



