Sibelco GILFAIR is the leaders in china , specialized in the supply of ceramic materials. With an annual turnover of over 700, 000 metric tonnes, theCompany produces a series of high quality and stable blended clays, refined ball clays and kaolin materials to meet the differentrequirements in the production of sanitaryware, tableware, refractory, electrical ceramic, tiles, glaze and engobe in theceramic industries.With our advanced production equipment ,we enable us a long- term supplier of worldwide famous enterprises such as ToTo, American Standard , meanwhile our stable and high qualities have gain popularity in market home and abroad.Ball clay use in glaze,engobe,high grade ceramic bodyGF-1:chemical properties:SIO2:45.7% max. AL2O3:35% FE2O3: 0.90% max. Na2O: 0.20% max. K2O: 1.1% max. CaO: 0.3% max. TiO2: 0.4% max. MgO: 0.2% max.. Physical properties: Fired whiteness: 80, Loss of ignition: 13.5 , M.O.R:42 KG/CM2GF-M:chemical properties: SIO2:48.1% max. AL2O3:35.0% FE2O3: 0.70% max. Na2O: 0.20% max. K2O: 1.2% max. CaO: 0.2% max. TiO2: 0.4% max. MgO: 0.2% max..Physical properties: Fired whiteness: 82, Loss of ignition: 14.5 , M.O.R:35 KG/CM2Sanitaryware Ball Clay and kaolin used in high grade sanitarywareExcelCast:chemical properties: SIO2:53.0~57.0% AL2O3:>27.0% FE2O3: 65 whiteness after firing :>45(1250 degree Celsius) shrinkage:26.0% FE2O3: 55 whiteness after firing :>60(1250 degree Celsius) shrinkage:35.0% FE2O3: 5 whiteness after firing :>80(1250 degree Celsius) shrinkage: