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Calcined kaolin |
¡¡¡¡Liangjiang brand calcined kaolin is made by advanced equipment of America and Britain,the products are produced through super-fine grinding and calcination,The crystalline type of the products is phantom-hexagonal, porous and flaky with the pore space rate about 75%. it is good plasticity,bonding,dispersibility,insulation,
sintering,flame retardant,anti-fire,adsorption,weather stability,chemically stability, hiding power.It is used in paper coating,paper filler,plastic,rubber, wires and cables,mapping,road marking and powder coatings.
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1¡¢Main standard
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Chemical composition |
Kaolin/ Calcined |
Appearance |
White Powder |
Package |
25kg weaven bag/kraft paper,1000kg big bag |
Characteristics |
It is made by advanced equipment of America and Britain,the products are produced through super-fine grinding and calcination,The crystalline type of the products is phantom-hexagonal, porous and flaky with the pore space rate about 75%. it is good plasticity,bonding,dispersibility,insulation,sintering,flame retardant,anti-fire,adsorption,weather stability,chemically stability, hiding power. |
Application |
paper coating,paper filler,plastic,rubber, wires and cables,mapping,road marking and powder coatings. |
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2¡¢Specification
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No |
Item |
Unit |
Index |
325 Mesh-800 Mesh |
1250 Mesh -6000 Mesh |
1 |
Whiteness |
£¥ |
90¡À2 |
93¡À2 |
2 |
Residue on Sieve 325 mesh |
£¥ |
¡Ü 0.1 |
¡Ü0.05 |
3 |
Refractive index |
£¥ |
1.55 |
1.65 |
4 |
Moisture |
£¥ |
¡Ü0.6 |
¡Ü0.5 |
5 |
PH Value of aqueou suspension |
|
6.5-7.2 |
6.5¡«7.5 |
6 |
Oil absorption |
£¥g/100g |
50¡À5 |
68¡À5 |
Fineness£º325 Mesh ¡¢400 Mesh ¡¢600 Mesh ¡¢800 Mesh ¡¢1250 Mesh ¡¢2000 Mesh
3000 Mesh ¡¢6000 Mesh |
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Chemical index |
SiO2(%) |
Al2O3(%) |
Fe2O3(%) |
TiO2(%) |
CaO(%) |
MgO(%) |
K2O(%) |
Na2O(%) |
MnO(%) |
52¡À2 |
45¡À2 |
£¼0.4 |
£¼1.0 |
£¼0.4 |
£¼0.2 |
£¼0.04 |
£¼0.1 |
£¼0.005 |
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