Talc is an aqueous layered silicate mineral, its chemical formula is Mg3[Si4O](OH)2, the crystals are pseudo-hexagonal or rhombic flake, with good chemical stability, low hardness, lipophilic and hydrophobic properties, it is a rare functional filler. Especially in the plastic modification industry, it can greatly reduce the cost of products and improve the impact toughness of plastics.Commonly used in plastic modification and filler, filler for paper products, rubber filler and anti-adhesive for rubber products, advanced paints and coatings. It is also widely used in cable, paint, ceramics, cosmetics, medicine, rubber, agricultural products, fertilizer and other industries.