CALCINED KAOLIN FOR CABLE 
(GB-CK90)
1. Benefits and Application
GB-CK90 is produced from highly refined kaolin by heating at temperature above 1000℃。During calcination, chemical, morphological and mineralogical changes occur.
GB-CK90 imparts excellent electrical insulation properties to low and medium voltage power cables.
2. Typical Physical Properties
| Item |
GB-CK90 |
| Brightness(T457) |
90.5%min |
| Particle Size (0-2micron)% |
50+/-2 |
| Particle Size (0-10micron)% |
94% |
| Refractivity |
1.62 |
| Screen residue (325 mesh %) |
0.05max |
| Oil Absorbency (g/100g) |
35+/-5 |
| Dispersion (micron) |
55max |
| pH |
5.5-7.0 |
| Bulk Density (kg/m3) |
600 |
| Specific Gravity (kg/m3) |
2600 |
| Moisture (%) |
0.8max |
3. Typical Chemical Properties
| SiO2(%) |
Al2O3(%) |
Fe2O3(%) |
TiO2(%) |
CaO(%) |
MgO(%) |
CuO(%) |
K2O(%) |
Na2O(%) |
MnO(%) |
| 52+/-2 |
45+/-2 |
0.50max |
1.5max |
0.4max |
0.2max |
0.004max |
0.05max |
0.15max |
0.004max |
 Product Catalog Download
|
