Kaolin code KS-231 is one of the products related to Kobudkamer mine. Very low percentage of iron and suitable alumina, high silica and low alkaline elements are the characteristics of this kaolin. The color of the lump and powder of this white kaolin is slightly pinkish.

Due to its white color code, this kaolin is very suitable for the production of white refractory bricks as well as the production of white cement and is currently being used in these two industries.