Kaolin is essentially derived from kaolinite, which is also known as aluminum silicate hydroxide. It is a mineral that is found primarily in China and is named after a place where it is found, Kao-Ling, Jianxi, China. That is why it is also known as china clay.
The other names include white clay, light or heavy clay, etc. It is also found in US, Brazil, Australia, Germany, Canada, Ukraine, England, and New Mexico. It comes in various colors, such as white, green, yellow, or colorless. Following are some of the kaolin uses for various industries.
This mineral is widely used in drugs that are used to treat various gastrointestinal problems. The smoothing properties of the clay provide relief to irritation in the stomach. It is also known to absorb and kill the bacteria and viruses in the body, so people used to ingest its powder in old days when they suffered from stomach disorders.
It also absorbs the excessive contamination in the stomach and that helps in curing diarrhea and other intestinal problems. It is also known to cure abdominal pain. Thy powder is also used as a liquid suspension during diarrhea.
It is also used in veterinary medical products. Its uses also include soothing bruises, reducing swelling, absorbing pus, cleaning wounds, etc. Thus, it is used to treat various skin problems and injuries in animals as well.
It also absorbs excessive oil from the skin making it soft and smooth. It is also one of the most important ingredient in many bath wash soaps. One of the other uses is that it can be used in its pure form as a clay mask.
It is used to produce glossy paper, which is widely used in magazines and newspapers. It is used as a filler in the bulk of paper and also used as a coating on the surface that gives a glossy look to the paper.
White kaolin's low abrasive properties make it an ideal raw material in the making of paper. It improves the quality and optical properties of the paper by making it more bright, shiny, and printable. Less amount of expensive wood pulp is required when it is used as a filler. This way, a high quality paper can be produced with low expenses.
The thick paper required to make cartons and boxes is also made from this mineral. Its uses also extend to rubber and fiberglass manufacturing. It provides smooth surfaces, strength, dimensional stability, and resistance to chemical reactions that helps in high quality products.
Spare parts required for cars, boats, sporting goods, and aircraft, etc., are made from using this clay.