Calcium Carbonate Powder CaCo3, supplied in aluminium doypack pouch with resealable zip grip and heat seal.
Characteristics
Our natural calcium carbonate is well known for its high chemical purity. Due to an extremely fine particle dispersion and high whiteness it is used as a filler in the production of lacquers, floor coverings as well as in rubber processing industry and many more as below….
Aquatic and animals:
Marine /tropical aquarium
Pet food supplement
Chemical industry:
Manufacture of paints and varnishes
Plastics industry
Floor covering production
Rubber industry
Production of cleaning agents and sealants
Filler in ceramics
Construction industry:
Manufacture of plasters and glues
Manufacture of wall paints
Manufacture of levelling compounds
Paper industry
Physical Characteristics
Brightness Y (ISO 2470) = 93
Yellowness (ISO 2470) < 3,0
Whiteness R457 (ISO 2470) = 92
Oil absorption (ISO 787/5) = 18,6 g/100 g
DOP absorption (ISO 787/5) = 26 g/100 g
pH value (ISO 787/9) = 9
Moisture (ISO 787/2) < 0,3%
Bulk density (ISO 787/11) = 0,75 g/ml
Density after tamping (ISO 787/11) = 1 g/ml
Specific surface area (BET) = 2,10 m2/g
Hardness by Mohs = 3
Chemical analysis
CaCO3 = 98%
Fe2O3 = 0,01%
SiO2 = 0,02%
Loss of ignition = 42,8%
HCl insoluble content = 0,02%
Particle size distribution
D98% = 17,5 µm
D50% = 4,0 – 4,5 µm
Residue on sieve 45 µm < 0,2%

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