Nigeria has proved that there are about 3 billion tons of high-quality kaolin reserves, including 3.4 million tons of kaolin ore with purity of 90%. The mineral can be widely used in the production of coatings, rubber, filter paper, cement, cosmetics, ceramics and abrasive materials such as sandpaper and emery.
The kaolin product calcined by this technology has a whiteness of 90 ~ 95 and a particle size of 4500 ~ 6000 mesh. The high white and ultra-fine calcined kaolin products of this product are mainly used in papermaking, high-grade coatings and other industrial fields.
In order to meet the higher fineness requirements of kaolin in papermaking, plastic and rubber products industries, it is necessary to increase the fineness of kaolin, so as to improve the quality of products. Superfine grinding processes mainly include grinding stripping method, high pressure extrusion method and air flow crushing method. SCM ultra-fine powder mill is usually used as kaolin grinding equipment.
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