Product name: Heavy Calcium Carbonate/ Ground Calcium Carbonate (GCC)
Chemical formula: CaCO3
CAS No.: 471-34-1
Appearance: White powder
Size: 325mesh, 400mesh, 600mesh, 800mesh, 1000mesh, 1200mesh

Specification of heavy calcium carbonate:
Items Standard
Calcium carbonate,%≥       98
Acid insoluble, %≤ 0.6
Iron, %≤ 0.006
Manganese, %≤         0.006
Pb, %≤ 0.003
Residues :325μm , %≤ 0.5
Whiteness, %≥ 93
PH 8-11
 
Application: Widely uses in paper making, coating, plastic, rubber, cosmetics and so on.
Packing: 25kg pp bag or as customer’s requirements

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