Calcium Carbonate Heavy

ITEM

SPECIFICATION

Appearance

white powder

ASSAY CaCO3(Dry base) %

98.0～100.5

Identification A

complies

FINENESS (PASS 400 MESH) %

≥95

Loss on drying %

≤2.0

Acid-insoluble substance %

≤0.2

Magnesium and alkali salts %

≤1.0

Iron %

≤0.1

Heavy metals %

≤0.002

Fluoride %

≤0.005

Sulphates %

≤0.25

Chloride, ppm

≤330

Barium %

Pass the test