Show CEMENT FROM FROIM FURNACE SLAG tests on Cons Cone reto blocks show good resist resistance ance to compressive Compress lve stresses in reply to Ani american anserlean erlean inquiries con corning M cement from blast furnaca slag bias united states consul general john L griffiths of london abo had aind previously reported upon the mutter matter furnishes the following statement from n colis tilting chemist with whom lie ha corresponded from the nature or of the process lip ho use of blast furnace slag in ili a perfectly liquid condition conti complete corn com of the acid and basic oxides nm nelv silica alun lina and ilme Is ia in and in ili consequence it might bo be predicted that the product would be free from tiny any tendency to mechanical unsoundness which often occurs in ili cements which contain chemical bodies in ili an unsaturated or loosely combined combine condition direct and repeated tests show this to be the case cage I 1 have no instance on record of a single sample which has riot not proved itself to he bo absolutely sol sound when tested in the usual way by belne biado into bri both neat and with sand band it limasa lips a high and I 1 increasing ncr easing wil g tensile strength tests on concrete blocks show similar good resistance to com press lve stresses stress ea |