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Cement is normally produced from limestone and clay or shale. These raw resources are extracted from the quarry crushed to an exceptionally fine powder then blended during the proper proportions. This blended raw materials is termed the 'raw feed' or 'kiln feed' and it is heated within a rotary kiln wherever it reaches a temperature of about 1400 C to 1500 C. In its easiest type, the rotary kiln is usually a tube as much as 200 metres long and probably 6 metres in diameter, using a long flame at one finish. The raw feed enters the kiln with the cool end and steadily passes right down to the scorching end, then falls out of the kiln and cools down.

Dyestuffs - Ionizing and coloring compounds that find extensive application in varied industrial segments across the globe. Industries where different types of dyestuffs are used in include plastic, cement, cosmetics, rubber, paper, textiles, medicine and many more. Get several Dyestuffs Manufacturers, Suppliers and Exporters from India and abroad.