Nano calcium carbonate for silicone adhesive and adhesive
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 is used as filler in silicone rubber and adhesive. The purpose of filling is to improve processing and reduce costs.
Packing: Composite plastic woven bag, 25KG/bag
Index Item |
CCR900 |
CCR902 |
Calcium carbonate content (%) |
≥ 95.0 |
≥ 95.0 |
Average primary Particle size (nm) |
<90 |
<60 |
Magnesium carbonate content (%) |
<2.0 |
<2.0 |
crystal form |
cube |
cube |
Specific surface area (m2/g) |
≥ 22 |
≥ 28 |
Oil absorption value g/100g |
<30 |
<30 |
Moisture (%) |
<0.3 |
<0.3 |
pH (HP) |
8.5~10 |
8.5~10.5 |
Whiteness ≥(%) |
96.5 |
96.5 |
Activation ( %) |
99 |
99 |
Content of insoluble substances in hydrochloric acid % ≤ |
<0.3 |
<0.3 |
surface treatment agent |
composite modifier |
composite modifier |