... in the ceramic industry. Mainly made up of unordered kaolin, accompanied minerals such as quartz, ... matter, the content of the organic matter is up to 15%. It’s main chemical composition are SiO2, Al2O3 ... , H2O, C, H2 and a small amount of Fe2O3, TiO2, Na2O ... ,viscosity and bonding nature. It is one of the important combination clay in the ceramic industry ...