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Present:15
Total:31032
NAME PRODUCT >> Kaolin
Kaolin
Product Details
Our water-washed/refined kaolin is processed from chemical weathering kaolin ores originated from pegmatite rocks. The process of producing water-washed kaolin consists of ore selection, attrition scruffing, washing and separating (mica, quartz, other impurities) or removal of impurities, magnetic separation, filter pressing, drying and packing. Our washed kaolin owns basic properties such as:


1) It has low proportion of Fe2O3, TiO2and high proportion of Al2O3 with fired whiteness is satisfactory;
2) It has good sinterability, low deformation and acceptable particle size below 2 µm. These properties of our washed kaolin will increase the productivity yield, and reduce production cost because of high casting rate, little shrinkage

 
 
CHEMICAL ANALYSIS
Chemical Item/ Grade SiO2 Al2O3 Fe2O3 CaO MgO K2O Na2O TiO2 Ig.loss/LOI
325 mesh, (%) ≤ 48 36~38 ≤ 0.4
≤0.01 ≤0.04 ≤0.1 ≤0.01 ≤0.03 ≤ 13.6
240mesh, (%) ≤49 ≥ 34.5 ≤0.6 ≤0.02 ≤0.05 ≤0.7 ≤0.02 ≤0.05 ≤ 12.5
240 mesh (%) ≤48.5 ≥ 35 ≤ 0.8 0.1   0.04 0.72 0.01 0.06    ≤15
 




Felspar

Feldspar is minerals that accompany with kaolinite, mica in most of kaolin-feldspar mines in Phu Tho and Lao cai province. There are special K2O feldspar bodies at our mine. We are doing our best to mine and select the best ores to produce high-quality feldspar powder and lumps for ceramic application