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 |
|
