China clay is another name for kaolin. It is soft and white in its natural state and is used to make porcelain. This clay was named after the Kao-ling hill in China, where it had been mined for centuries.
This clay is made of kaolinite mineral and is mixed with 20-35% water to initiate its plastic properties. This mixture can be easily moulded into a variety of shapes, which are retained once the mould pressure is removed. It has very white burning characteristics, making it suitable for whiteware production.
Kaolin has the following physical properties, which is why it is used in a variety of ceramic applications:
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