Calcium Carbonate dense/light  of Dental grade, with great whiteness and hight quality that fit with the international

standard.It's been approved by the famous company Colgate..

Calcium Carbonate light (Dental grade)

Commodity: Calcium Carbonate dense (Dental grade)

Spec.:         Calcium carbonate (CaCO3) (dry basis): 98.5%min.

                   pH (20% suspension): 8.5-10.0

                   Whiteness: 94.0%min.

                   Fineness (45μm sieve residue): 0.2%max.

                   Volatiles (105 °C): 0.5%max.

                   Hydrochloric acid insoluble matter: 0.2%max.

                   Iron (Fe): 0.015%max.

                   Magnesium (Mg): 0.3%max.

                   Fluoride (as F): 0.005%max.

                   Sedimentation volume ml/g: 1.7 ~ 2.1

                   Barium (Ba): 0.03%max

                   Heavy metals (Pb): 0.001%max.

                   Arsenic (As): 0.0003%max.

                   Lead (Pb): 0.0003%max

                   The total number of bacteria (a / g) of ≤ 300

Packing:   In 25kgs net bag

Shipping size: 1 X 20'FCL = 24MTS without pallets.

Calcium Carbonate dense (Dental grade)

Commodity: Calcium Carbonate dense (Dental grade)

Spec.:         Assay as CaCO3 (dry basis): 98.0% min.

                  Loss on drying: 2.0% max.

                  Acid Insoluble Substances: 0.2% max.

                  White degree: 87.5

                  pH (20% suspension): 9.0--10.0

                  Arsenic as As: 5 ppm max.

                  Heavy metals:15 ppm max.

                  Iron as Fe: 200ppm max.

                  Magnesium and Alkali Salts: 1.5%max.

Packing:   In 25kgs net bag

Shipping size: 1 X 20'FCL = 24MTS without pallets

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