Calcium carbonate

Formula: CaCO3
CAS No. 471-34-1
HS Code: 28365000
EINECS No.: 207-439-9
Grade Standard: Industrial Grade
Appearance; White powder
Packing: 25kg plastic woven bag, 25mt/20'FCL

Specification:
Calcium Carbonate Light
Content% --------------------------------------- 98Min
pH value ----------------------------------------8.0-10.0
Hydrochloric Acid Insoluble----------------------0.1%
Sedimentation Volume(ml/g)-----------------------2.8
Volatile Matter----------------------------------0.4%
Tinting Strength---------------------------------105%
Fe-----------------------------------------------0.08%
Mn-----------------------------------------------0.006%
Moisture-----------------------------------------0.5%
Whiteness----------------------------------------90.0%

Calcium Carbonate Dense
Purity%----------------------------------------------98.0min
pH(10% Water suspend pH) ----------------------------9
Hydrochloric acid Insoluble -------------------------0.5%
Average particle size -------------------------------3.3%
Volatile Matter -------------------------------------0.5
Moisture --------------------------------------------0.2%
Al2O3 -----------------------------------------------0.002%
SiO2 ------------------------------------------------0.001%
Whiteness -------------------------------------------9.3%
Oil absorption --------------------------------------16%

Uses:
Used for rubber, plastic, the papermaking, the paint and ink industries of packing. Widely used in organic synthesis, metallurgy, glass and asbestos, etc.

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