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Calcined kaolin(for electrophoretic paint and ink)
1. Main properties and features
| Chemical substances | kaoin / calcined -for cataphoresis paint and printing ink |
| Appearance | white powder |
| Packing | 25kg woven bag/ kraft paper bag, 1000kg sack |
| Main features | low particle size, high whiteness, goood fluidity, goood surface smoothness, high luster, good absorption of printing ink, good hiding power |
| Range of application | Used in various paper making coating. |
2. Quality Index
| NO. | Item | Unit | Physical Index | |
| YJ-A | YJ-B | |||
| 1 | Whiteness | % | ≥90 | ≥90 |
| 2 | 325-mesh Residue on sieve% | % | £¼0.004 | ≤0.004 |
| 3 | Conductivity | % | ≤20 | |
| 4 | Water content | % | £¼1.0 | £¼1.0 |
| 5 | pH-value of aqueous suspension | ≤8.0 | 6-8 | |
| 6 | Oil absorption(depend on different fineness) | %g/100g | 40±3 | 40±3 |
| 7 | £¼2um content | % | ≥93 | ≥92 |
3. Chemical Index
| SiO2(%) | Al2O3(%) | Fe2O3(%) | TiO2(%) | CaO(%) | MgO(%) | K2O(%) | Na2O(%) | L.O.L(%) |
| 50±2 | 45±2 | ≤0.5 | ≤1.0 | ≤0.2 | ≤0.2 | £¼0.1 | £¼0.15 | £¼0.5 |
