Cement News tagged under: colour

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Changing colour

30 November 2021, Published under Cement News

Brown or yellow colours in the clinker core are indicative of unfavourable burning conditions such as reducing conditions in the kiln, according to specialists. At Tehran Cement Co, researchers have carried out a laboratory study into the effect of colour changes in the clinker core on the technical characteristics of cement. By Ali Akbar Kafash Bazari, Tehran Cement R&D Center, Iran, and Mohsen Tadayon, Iran Concrete Association, Iran. Figure 1: microscopic image of clinker with redu...