Page 22 of Corporate Profile by R.A.K. CERAMICS

trend setters a glimpse of the technologies in operation at rak ceramics can be had through the brief descriptions mentioned below the salt pepper models gp series these models are full body tiles produced with the utilization of a dosing system various types of colour pigments in liquid form are mixed with the slip body in certain proportions by dosing system while simultaneously being fed into the spray drier the dried clay granules mixture of colour pigments and clay body is fed to the hydraulic press and pressed according to the required size the clay tiles are then dried in the horizontal drier and subsequently fired in the roller kiln the mixture of colour pigments creates the salt and pepper effect on the body of the tiles these models are available in both unpolished and polished finishes the soluble salt models gps series soluble salt printing technology is employed to produce these models silk screens are used as the source of the designs to be printed on the surface of the clay tiles using the printing paste made of alkali or colouring salts the designs are printed on the proper surface soluble salt solution is applied over the printed surface to aid the penetration of the print into the tile body by 2.8 mm to 3.2 mm deep after the drying stage the tiles are fired and subsequently polished to obtain the natural marble effect these products are available in polished finish only soluble salt gps double charged gpd 22

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