BURNING TESTS OF PHILIPPINE PORTLAND CEMENT RAW 



MATERIALS 



By Augustus P. West and Alvin J. Cox 



(From the Laboratory of General, Inorganic, and Physical Chemistry, 

 Bureau of Science, Manila, P. I.) 



One plate and 3 text figures 



The commercial feasibility of manufacturing Portland cement 

 from local raw materials has been an important consideration 

 ever since the American occupation of the Philippine Islands 

 and especially so recently owing to the increase in consumption 

 and cost of cement. 



Table I, which is based upon the Annual Reports of the Insular 

 Collector of Customs, shows the quantity, source, and invoice 

 value of Portland cement imported into the Philippine Islands 

 during recent fiscal years. 



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