Kaolin clay is a kind of non-metallic mineral. It is a kind of clay and clay rock mainly composed of kaolinite group clay minerals.
It is white and delicate, with good plasticity and fire resistance.Properties | Spec. | |||
Refractoriness, ºC | ≥1790 | |||
Bulk Density, g/cm3 | ≥2.48 | |||
L.O.I (%) | ≤0.25 | |||
Mullite Phase (%) | 55-65 | |||
Mohs Hardness | 7-8 | |||
Fines in sands,% | ≤0.3 | |||
PH Value | 6-8 |
It is mainly used in paper making, ceramics and refractories, coatings, rubber fillers, enamel glaze, and white cement raw materials.