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China Clay Powder
China clay powder
is a Hydrated Aluminum Silicate which contributes to the improvement in
chemical resistance, electrical properties and reduction in water
absorption. It lowers the crack tendency in the finished products,
improves shock resistance and surface quality. It improves properties
like good process ability; low mill sticking and uniform cure rates.
Chemical Analysis of China Clay
Specification of China clay Powder
| Parameter |
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| Sio2 |
45% to 48% |
| AI2o3 |
33% to 39% |
| FE2o3 |
Below 1.5% |
| Tio2 |
Below 0.5% |
| Cao |
Below 1% |
| Mgo |
Below 0.5% |
| LOI |
12% to 14% |
| Acid Insoluble |
97.5% |
| PH |
6-8 % |
| B.D. |
0.5gm/cc |
| Oil Absorption |
39.5 ml/100gm |
| Whiteness |
78% to 85% |
Application Of China Clay
China clay is most appropriate product for paper coating. It gives
High brightness and good printing performance to the coating quality
and effectively reduce energy consumption during drying process with
reduction in binder demand.
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