Product description, Product introduction: Kaolin is White or light yellow powder, the main components is aluminum silicate (Al2O3,2SiO2,2H2O) Physical properties of Kaolin: Mohs Scale Hardness is from 2 to 2.5,density is 2.6 g/cm3 ,and refractoriness is from 1750 to 1790 degree centigrade.Used as friction materials, Kaolin can improve the process performance of friction materials, reduce the shrinkage rate of products , and improve the friction performance of friction materials in 400-600 , reduce the cost. Kaolin is made by crushed kaolin ore .Kaolin is used in Brake pad Drum brake or clutch, The recommended regular consumption of kaolin is from 2% to 8%. The character of Kaolin: Kaolin is named by the kaolin village in Jingdezhen in China where it was found near China, it is clay or clay rock which is mainly of kaolin clay mineral Kaolinite radial clay minerals including kaolinite, halloysite, di stone, Pearl chinastone, water mica, etc. Kaolinite is of soft and hard kinds.Kaolin has many excellent properties. Such as: water absorption, plasticity, suspended, strong cohesive force, high refractoriness, good insulation and chemical stability, and good sintering performance.Add some kaolin in the composition of friction materials, can reduce the brake noise and reduce the heat recession. Property: A1203: 28% min SiO2: 52.4% min Fe203: 5.18% TiO2: 0.96% K2O: 9.18% Na2O: 9.71% grade: 200mesh,325mesh sieving rate: 97%
