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ProductsNano calcium carbonate for PVC
Chemical name: Nano active calcium carbonate
Component: CCR
Properties: white fine powder, particle surface is covered by active substances, for organic polymers with high dispersibility.
Uses: Nano-active calcium carbonate is used as filler in rubber and plastics. The purpose of filling is to improve processing and reduce costs.
Packing: Composite plastic woven bag 25KG/bag
|
Index Item |
CCR806 |
CCR805 |
|
Calcium carbonate content (%) |
≥ 95.0 |
≥ 95.0 |
|
Average primary particle size (nm) |
200-300 |
150, 200 |
|
Magnesium carbonate content (%) |
<2.5 |
<2.5 |
|
Crystal form |
cube, prism |
cube, prism |
|
Specific surface area (m2/g) |
≥ 12 |
≥ 14 |
|
Oil absorption value g/100g |
<26 |
<28 |
|
Moisture (%) |
<0.4 |
<0.4 |
|
pH (HP) |
8.5~10.5 |
8.5~10.5 |
|
Whiteness ≥(%) |
95 |
95 |
|
Activation ( %) |
94 |
95 |
|
Content of insoluble substances in hydrochloric acid % ≤ |
<0.3 |
<0.3 |
|
Surface treatment agent |
Stearic acid + special agent |
Stearic acid + special agent |
