Kaolin Clay
Kaolin is a non-metallic mineral, which is a kind of clay and clay rock dominated by kaolinite clay minerals. Because it is white and delicate, it is also called dolomite. It is named after Gaoling village, Jingde town, Jiangxi Province.
Its pure kaolin is white, fine and soft, with good plasticity, fire resistance and other physical and chemical properties. Its mineral composition is mainly composed of kaolinite, halloysite, hydromica, illite, montmorillonite, quartz, feldspar and other minerals. Kaolin is widely used, mainly in papermaking, ceramics and refractories, followed by coatings, rubber fillers, enamel glaze and white cement raw materials, and a small amount is used in plastic, paint, pigment, grinding wheel, pencil, daily cosmetics, soap, pesticide, medicine, textile, petroleum, chemical industry, building materials, national defense and other industrial departments.
nature:
Properties: mostly dull, white and delicate when it is pure, and gray, yellow, brown and other colors when it contains impurities. The appearance can be loose soil block and dense rock block according to different causes.
Density: 2.54-2.60 g / cm3.
Melting point: About 1785 ℃.
With plasticity, wet soil can be molded into various shapes without breaking, and can remain unchanged for a long time
