Kaolin

CHEMICAL ANALYSIS & TECHNICAL PROPERTIES OF KAOLINS
Kaolin Products Code JZWNK1 JZWNK1-S JZWNK1-T JZWNK2
L.O.I 9 ± 1 8.5 ± 1 8.5 ± 1 7 ± 0.5
SiO2 63 ± 1 65 ± 1 65 ± 1 72 ± 1
Al2O2 24 ± 1 22 ± 1 22 ± 1 17 ± 1
Fe2O3 0.55 ± 0.1 0.75 ± 0.1 0.55 ± 0.1 0.5 ± 0.1
TiO2 0.04 ± 0.1 0.04 ± 0.1 0.04 ± 0.1 0.04 ± 0.1
CaO 1.2 ± 0.2 1.5 ± 0.2 1.4 ± 0.2 1.4 ± 0.2
MgO 0.55 ± 0.06 0.35 ± 0.05 0.35 ± 0.05 0.4 ± 0.05
Na2O 0.4 ± 0.1 0.35 ± 0.05 0.35 ± 0.05 0.20 ± 0.05
K2O 0.3 ± 0.1 0.25 ± 0.05 0.25 ± 0.05 0.4 ± 0.05
So4 - - - -
Kaolinite 64 ± 2 60 ± 2 60 ± 2 45 ± 2
Quartz 27 ± 2 31 ± 2 31 ± 2 46 ± 2
Calcite 2.5 ± 0.5 2.5 ± 0.5 2.5 ± 0.5 2.5 ± 0.5
Others 6 ± 1 6 ± 1 6 ± 1 6 ± 1
< 150 μ   -     -     -     -  
< 40 μ 0 - 0.5 % 0 - 0.5 % 0 - 0.5 % 0.5 - 1.0 %
< 20 μ 99% 98% 98% 98%
< 2 μ 47 ± 3% 39 ± 3% 39 ± 3% 27 ± 2%
M.O.R. Kgf/cm sq 30 ± 5 10 ± 5 12 ± 2 16 ± 2
Peff Plasticity 31 ± 1 31.5 ± 1 31.5 ± 1 27 ± 1
Brightness 1150 deg. cel. 92 ± 2 87 ± 2 90 ± 2 90 ± 2
Drying Shrinkage 110 deg. cel. 5 ± 0.5 4 ± 0.5 4 ± 0.5 4 ± 0.5
Firing Shrinkage 1150 deg. cel. 3.5 ± 0.5 3.5 ± 0.5 3.5 ± 0.5 2.5 ± 0.5
Phyiscal Form Noodled* Noodled* Noodled* Noodled*
Moisture % 5.0 - 8.0 5.0 - 8.0 5.0 - 8.0 5.0 - 8.0
Packaging Big bag Big bag Big bag Big bag
CERAMIC TILE - BODY        
CERAMIC TILE - GLAZE        
SANITARY WARE - BODY        
SANITARY WARE - GLAZE        
TABLE WARE - BODY        
TABLE WARE - GLAZE        
ELECTRICAL PORCELAIN        
PORCELAIN TILE        
WHITE CEMENT        

 

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