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NATURAL KAOLIN CLAY, HARD KAOLIN CLAY


     ¡ß SOFT KAOLIN CLAY
Name of Commedity Grade A (super white) Grade B (white)
Brightness (% reflectance) 97% min 93% min
Particle Size (mesh) 325 325
Size 1.5§­ 70%min 65%min
Moisture (%) 2.0 max 2.0 max
Ignition Loss (%) 12.5 13.2
CHEMICAL PROPERTIES
Al2O3 (%) 37.8 37.15
SiO2 47.11 45.67
Fe2O3 (%) 0.57 0.62
Cr2O3 (%) 0.01 0.01
K2O (%) 0.61 0.42
CaO (%) 0.10 0.22
MgO (%) 0.05 0.12
MnO2 (%) 0.01 0.02
Na2O (%) 0.31 0.11
TiO2 (%) 0.18 0.36

    ¡ß Ä«¿À¸° (HARD KAOLIN CLAY)
Name of Commodity suprex
Brightness (% reflectance) 70 - 80
Particle Size (micron) 0.3
Specific Gravity 2.60
PH (28% by wt. of clay in H20) 4.0 - 5.5
Surface Area, B.E.T.,(§³/g) 22 - 26
Oil Absorption (g/100g of clay) 33 - 38
Moisture (%) 1.0max
Maximum + 325mesh Residue(%) 0.25
Heating Loss at 105¡É (%) 1.0max

 

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