China clay, kaolin clay, three what is the difference? Is China clay is kaolin chemical elements of the three specific? What is the difference?
Clay: the composition is complex, mainly composed of kaolinite, water mica, montmorillonite, quartz and feldspar, mainly montmorillonite and kaolin. It is only used in pottery manufacture
Pure clay composition is: SiO2 46.51%, Al2O3 39.54%, H2O 13.95%, fusibleness is 1780 degree Celsius. Can be used in papermaking, ceramics, chemical, rubber, coating, medicine and national defense and other dozens of industries.
Also known as clay kaolin, clay is composed of metamorphic mica and feldspar.