Product Main

Specifications

Calcium carbonate 
Formula: CaCO3 
CAS No. 471-34-1 
HS Code: 28365000 
EINECS No.: 207-439-9 
Grade Standard: Industrial Grade 
Appearance; White powder 
Packing: 25kg plastic woven bag, 25mt/20'FCL 

Specification: 
Calcium Carbonate Light 
Content% --------------------------------------- 98Min 
pH value ----------------------------------------8.0-10.0 
Hydrochloric Acid Insoluble----------------------0.1% 
Sedimentation Volume(ml/g)-----------------------2.8 
Volatile Matter----------------------------------0.4% 
Tinting Strength---------------------------------105% 
Fe-----------------------------------------------0.08% 
Mn-----------------------------------------------0.006% 
Moisture-----------------------------------------0.5% 
Whiteness----------------------------------------90.0% 

Calcium Carbonate Dense 
Purity%----------------------------------------------98.0min 
pH(10% Water suspend pH) ----------------------------9 
Hydrochloric acid Insoluble -------------------------0.5% 
Average particle size -------------------------------3.3% 
Volatile Matter -------------------------------------0.5 
Moisture --------------------------------------------0.2% 
Al2O3 -----------------------------------------------0.002% 
SiO2 ------------------------------------------------0.001% 
Whiteness -------------------------------------------9.3% 
Oil absorption --------------------------------------16% 

Uses: 
Used for rubber, plastic, the papermaking, the paint and ink industries of packing. Widely used in organic synthesis, metallurgy, glass and asbestos, etc.