Publish Time: 2022-07-19 Origin: Site
Kaolin is a kind of non-metallic mineral, is a kind of clay and clay rock dominated by kaolinite clay minerals. Because of white and delicate, also known as dolomite. Named after Gaoling Village, Jingdezhen, Jiangxi Province.
The pure kaolin is white and soft, with good plasticity, fire resistance and other physical and chemical properties. Its mineral composition is mainly composed of kaolinite, Eloite, hydromica, illite, montmorillonite, quartz, feldspar and other minerals. Kaolin application is very extensive, mainly used for paper making, ceramics and refractory materials, secondly used in paints, rubber filler, enamel glaze and white cement raw material, a few used in plastics, paint, paint, grinding wheel, pencil, daily cosmetics, soap, pesticide, medicine, textile, oil, chemical industry, building materials, national defense and other industries.
The minerals contained in kaolin in nature are mainly divided into clay minerals and non-clay minerals. The clay minerals mainly include kaolinite minerals and a small amount of montmorillonite, mica and chlorite. Non-clay minerals mainly include feldspar, quartz and hydrothermal compounds, as well as some iron minerals such as hematite, siderite, limonite, titanium minerals such as rutile and organic matter such as plant fiber. Clay minerals mainly determine the properties of kaolin.