100 



THE INDIA RUBBER WORLD 



November 1, 1920 



4000 



5 10 15 ?0 25 50 35 40 45 

 Volumes Filler tolOO Volumes Rubber 

 Fig. 1 2___ 



BO g^O%^-t 



10 15 70 25 30 35 40 45 50 

 Volumes FillertolOOVolumes Rubber 



Fig. 5 



1000 



V 900 



o 



iSO 



300 

 250 

 200 

 150 

 100 

 50 





Magnesium Carhonafe\ 







■'Oas 



Black 



15 20 25 30 35 40 45\50 s 

 Volumes Filler to 100 Volumes Rubber l\^ "^ 

 Fig. 2 



5 10 15 20 25 50 55 40 45 50 

 Volumes Filler tolOOVolumes Rubber 

 Fig. 6 



(50 





5 10 15 20 25 30. 35 40 45 50 

 Volumes FillertolOOVolumes Rubber 

 Fig. 3 



1 1 ' r 



Magnesium Carbonate; 



5 10 15 20 25 30 35 40 45 5Q 

 Volumes FillertolOOVolumes Rubber 

 Fig. 7 



oieoo 



o 



5 10 15 20 25 30 35 40 

 Volumes Filler to 100 Volumes Rubber 



Fig. 4 



? 1.30 

 = 1.10 



12 .90 



t 10 

 <+- 



I .50 



o 



_c 



£ .30 



c 



</> 



50 



.10 



Log.Time(Min.) 

 Fig. 8 



