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• Biological calcium carbonate (Oyster shell powder)

Main component:

CaCO ₃

Appearance:

White powder

Product specification:

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

Packaging and storage:

25 kg / paper plastic complex bag.