Specification :

Biological calcium carbonate (Oyster shell powder)
Main component:
CaCO 3

Appearance:
White powder

Product specification:
Item QB1413-99
CaCO 3 (dry base) e % 97.6
Loss on drying d % 1.0
Acid-insoluble substances d % 0.30
Barium d % 0.03
Arsenic d mg/kg 3
Heavy metals d mg/kg 10
Cadmium e mg/kg 0.2
Fineness (mesh) e 180

Packaging and storage:
25 kg / paper plastic complex bag.