Kaolin Powder
Kaolin - KSP1 |
Physical |
100 |
<32 |
Particle Size
Distribution [¥ì m] |
100 |
<20 |
50 |
<2 |
10.5 |
At 105 ¢ªC |
Modulus of
Rapture (kg/cm2) |
18.8 |
At 900 ¢ªC |
2.9 |
At 105 ¢ªC |
Shrinkage (%) |
6.7 |
At 1250 ¢ªC |
11.9 |
At 1400 ¢ªC |
16.5 |
At 1250 ¢ªC |
Water Absorption
(%) |
10.9 |
At 1400 ¢ªC |
93 |
Green |
Brightness (%) |
97 |
At 1250 ¢ªC |
98 |
At 1400 ¢ªC |
2.31 |
Density Power
(g/Cm3) |
46 |
Plasticity (
Peff) H= 16 |
12500 |
Viscosity [CP]
Sp: 3 R.P.M:5
Solid = 40% Water = 60% |
7.3 |
Ph |
48.10 |
SiO2 |
Chemical
Analysis (%) |
36.85 |
Al2O3 |
0.05 |
Fe2O3 |
0.52 |
TiO2 |
0.28 |
CaO |
- |
MgO |
0.15 |
Na2O |
0.36 |
K2O |
13.69 |
L.O.I |
>91 |
Kaolin |
Mineralogical Composition (%) |
<2 |
Montmorilonit |
<3 |
Lllite |
- |
Calcite |
<5 |
Quartz |
- |
Feldspare |
Kaolin Physical Properties and Chemical Analyse
Hardness |
1.5 - 2 (can leave marks on
paper) |
Specific gravity |
2.6 (average) |
Cleavage |
Perfect in one direction, basal |
Color |
Usually white, colorless,
greenish or yellow |
Fracture |
Earthy |
Luster |
Earthy |
Streak |
White |
Transparency |
Crystals are translucent |
Crystal System |
Triclinic; 1 |
Crystal Habits |
Foliated and earthy
masses. Crystals of any size are quite
rare, usually microscopic. |
Other Characteristics |
Clay like properties when
water is added. |
Best Field Indicators |
Habit, softness, color, luster and clay like properties |
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