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China's black talc industry is a raw material industry developed in recent years and has been widely used in China's ceramic industry. As the ceramic industry continues to improve the quality of raw materials, the black talc industry is also constantly exploring the processing technology. At present, China has developed a variety of black talc deep processing products.
China's industrial talc is divided into five types: pink talc, white talc, green talc, gray talc and black talc. The reason why talc has a variety of colors depends mainly on the color of the symbiotic minerals with talc. Black talc is a general term for black, grayish black talc, and the inclusion of organic matter is the main cause of its blackening.
The main mineral component of black talc is usually composed of talc, quartz, calcite, sepiolite, organic carbon, etc., and the color is black to grayish black. The main chemical components of black talc are magnesium oxide, silicon oxide, and aluminum oxide, iron oxide, titanium oxide, sodium oxide and potassium oxide.