Kaolin (also known as kaolinite) is a white, soft clay mineral that has a wide range of industrial applications. It is composed mainly of aluminum silicate and is known for its high purity and fine particle size, which gives it unique properties suitable for a variety of industries.

Iran is rich in kaolin deposits, particularly These deposits are known for their high-quality kaolin, which is exported to various countries due to its purity and desirable properties for industrial applications.