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ProductsNano calcium carbonate for rubber & plastic
Chemical Name: Calcium Carbonate
Molecular formula: CCR
Property: White fine powder, particle surface covered by active substance, high dispersibility for organic polymers.
Uses: Nano active calcium carbonate as filler in rubber and edge banding. The purpose of filling is to improve processing and reduce costs.
Packing: Composite plastic woven bag 25KG/bag
|
Index Item |
CCR800 |
CCR802 |
|
Calcium carbonate content (%) |
≥ 95.0 |
≥ 95.0 |
|
Average primary Particle size (nm) |
100-150 |
90-120 |
|
Magnesium carbonate content (%) |
<2.5 |
<2.5 |
|
Crystal form |
cube, prism |
cube, prism |
|
Specific surface area (m2/g) |
≥ 16 |
≥ 18 |
|
Oil absorption value g/100g |
<28 |
<30 |
|
Moisture (%) |
<0.4 |
<0.4 |
|
pH (HP) |
8.5~10.5 |
8.5~10.5 |
|
Whiteness ≥(%) |
96 |
96.5 |
|
Activation ( %) |
97 |
99 |
|
Content of insoluble substances in hydrochloric acid % ≤ |
<0.3 |
<0.3 |
|
Surface treatment agent |
Stearic acid + special agent |
Stearic acid + special agent |
