Application |
| Filler | Ceramic | ||
Grade | Kaolin | C | Acme | Porcelain | Cyprucast |
Producer-Country | Jordan | ECCI-UK | ECCI-USA | STD-UK | Cyprus IM-USA |
SiO2 | 52.3 | 47.2 | 46 | 47.9 | 46.0 |
Al2O3 | 32.2 | 37.4 | 38 | 37.2 | 38.0 |
Fe2O3 | 0.39 | 0.96 | 0.89 | 0.68 | 0.47 |
TiO2 | 0.88 | 0.14 | 1.50 | 0.03 | 1.60 |
MgO | 0.17 | 0.18 | 0.10 | 0.27 | 0.09 |
CaO | 1.28 | 0.11 | 008 | 0.07 | 005 |
Na2O | 0.01 | 0.07 | 0.20 | 0.08 | 0.10 |
K2O | 0.03 | 1.41 | 0.42 | 1.59 | 0.16 |
LOI | 12.73 | 12.5 | 13.4 | 12.3 | 13.6 |
Kaolinite | 80 - 82 | 90 | 95 | 88 | 95 - 97 |
Mica | - | 9 | 3 | 9 | 2 - 3 |
Quartz | 15 | 1 | - | 1 | 1 |
Anatase | - | - | 1.5 | - | 1 |
+10 µm% | 1 | 5.4 | 6 | 2.2 | 17.4 |
−2 µm% | 68 | 50 | 74 | 70 | 57.6 |
Brightness ISO | 71.5 | 81.0/5.5 | 82.4/7.0 | - | - |
Fired Brightness | 90.2 | - | - | 91 | 90.4 |
Geol. environment | Sedimentary | Hydrothermal | Sedimentary | Hydrothermal | Sedimentary |