Nano precipitated calcium carbonate is a surface treated, super ultrafine and very narrow particle size distribution precipitated calcium carbonate specially formulated as functional filler in rubber,latex, coating and paper products.
APPLICATIONS
1) In the sidewall and cord ply compounds of bias tire (+5-8 phr NPCC);
2) In the tread compound and inner liner of radial tire (+4 phr NPCC);
3) In the butyl inner tube, Meanwhile (+15-20 phr NPCC);
4) Cycle Tire.
With adjusting the quantity of carbon blank and softener properly.
5) PVC cables and wires.
6)Used in coatings and paints, it can achieve good dispersibility and durable gloss
7)Coating in specialty coated paper, Functional filler in directory paper and tissue
TYPICAL PROPERTIES
Average Particle Size 0.04-0.08 microns
Specific Gravity 2.7 g/cm3
Bulk Density 0.48 g/cm3
Specific Surface Area (BET) ?20 m2/g
Whiteness ?92%
Oil absorption (DOP) 25-40 ml/100g
Particle shape Cubic

CHEMICAL COMPOSITION
CaCO3 ?98%
Mg ?0.1%
Fe ?0.1%
Moisture (% weight lost @ 110?) ?0.5%
Surface coating agent Coupling agent

CLASIFICATION
Molecular Formula CaCO3
CAS No. 471-34-1