Washed Black Clay

Washed Black Clay
Chemical Properties     Physical Properties  
SiO2 52.015 Visual Appearance Black lumps
AI2O3 38.139 Residue on # 300(%) 0.30%
Fe2O3 0.836 Slaking (MIN) Good
TiO2 1.255 Water of Plasticity High plasticity
MgO 1.650 Green MOR kg/cm2 (sp.pressure 420 Kg/cm2) 12.83
CaO 0.514 Dry MOR kg/cm2 ( sp.pressure 420 Kg/cm2) 42.61
Na2O 0.855 Fired More Kg/Cm2 (sp.pressure 420 Kg/cm2) 394.39
K2O 0.430 Fired Shrinkage (%) (Temp at 1216’c 60” in KILN) 14.4
L.O.I.As per ED-XRF 4.306 Fired Colour                                                               L= 88.33
Particle Size                                                                                        A= 0.80
>53 µm 0.00                                                                                      B= 10.7
>8 µm 13.87 W.A. (%) 4.65%
<25 µm 100 Workebal Electrolight (%)  
< 2 µm 39.65 Flow (Second)  
< 1 µm 18.52 Density (GM/M-3)  
< 0.5 µm 6.66 T.D.S.PPM (20% AQU. Solution)  
    pH (20% AQU. Solution)  
 

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