Detailed Product Description

calcium carbonate

APPLICATIONS

Coating in  specialty coated paper , Functional filler in  directory paper and tissue  

The paper stuffed or coated by the NPCC possesses higher compactness, fine and smooth surface, excellent plasticity and flexibility.

T YPICAL PROPERTIES
 

 Average Particle Size
 0.04-0.08 microns
 

 Specific Gravity
 2.7 g/cm 3
 

 Specific Surface Area   (BET)
 ≥ 2 0  m 2 /g
 

 Whiteness
 ≥ 92%
 

 Oil absorption (DOP)
 ≥40  ml/100g
 

 Particle shape
 C ubic 
 

 
CHEMICAL COMPOSITION
 

 CaCO 3  (Dry basis)
 ≥ 98%
 

 Mg
 ≤0.1%
 

 Fe
 ≤0.1%
 

 Water
 ≤0.5%
 

 
CLASIFICATION
 
 

 Molecular Formula
 CaCO 3
 

 CAS No.
 471-34-1