Product Description
Type: Calcined kaolin clay Washed kaolin clay Metakaolin(High activity)
Characteristics for kaolin:
1. High refractoriness.
2. Physicochemical stability.
3. Volume density high .
4. Low porosity.
5. Low water absorption.
6. Fully calcined
7. Low impurity content.
8. Pure white.
Particles: 0-1mm,1-3mm,3-5mm,5-8mm,8-15mm
Sand:16-30mesh,30-60mesh,60-80mesh,80-120mesh
Powder: 200mesh,250mesh,325mesh,800mesh,1250mesh,2500mesh,4000mesh,6000mesh
Physical and Chemical Specification
| Properties | Spec. | Test results for reference |
| 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 | |
| Chemicals | ||
| Al2O3,% | 46-48 | 46.62 |
| SiO2,% | 50-52 | 50.81 |
| Fe2O3.% | ≤1.2 | 0.89 |
| TiO2,% | ≤0.7 | 0.60 |
| CaO+MgO % | ≤0.5 | 0.38 |
| K2O+Na2O,% | ≤0.5 | 0.38 |
Suitable for high-grade latex paint, paint, paint, ink, rubber, plastic, wire and cable, etc..
1 paper, paint can replace some of the expensive titanium dioxide.
2 paint, water-based latex paint.
3 rubber and special cable reinforcing agent, industrial plastic functional filler, ink, food, medicine, cosmetic packing.
4 advanced ceramics and specialty ceramics.
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