Kaolin is derived from the mineral Kaolinite which comes from the Earth’s crust. It is an aluminum silicate represented Kaolin products can be used in a wide variety of applications like architectural and industrial coatings, construction, rubbers, plastics, packaging and papers.hydrous kaolin clays to meet the most stringent needs of the coated board industry. BASF's kaolins allow board producers to obtain maximum quality at minimum cost to produce the opacity, brightness, gloss, and printability needed in a variety of applications.