The global kaolin market size stood at USD billion in 2019 and is projected to reach USD billion by 2027, registering a CAGR of % during the forecast period, . The major growth factors are the rise in the demand for kaolin from paper, ceramics sanitarywares, fiberglass, paints coatings, rubber, plastic, etc.
South Australia is a small producer of kaolin mainly used in cement manufacture and industrial fillers. At Williamstown, a mixed sillimanitekaolinite product (Kaosil) is used for the manufacture of refractories and insulators (<3,000 tpa). Kaolin in NSW is currently sourced from Gulgong, and is used mainly for ceramic and filler grade products.