Micronized Calcium Carbonate is an ultra-fine 2-micron (1250 mesh) mineral powder designed for applications requiring high surface area, rapid wet-out dispersion, and glass-smooth surface finish in Kenya.
Micronized Calcium Carbonate is an ultra-fine 2-micron (1250 mesh) mineral powder designed for applications requiring high surface area, rapid wet-out dispersion, and glass-smooth surface finish in Kenya.
Ultra-fine micronized calcium carbonate powder (2-5 micron) engineered for high-performance plastics, premium coatings, rubber, and adhesives in East Africa.
CAS Number
471-34-1
Formula
CaCO3
IUPAC Name
Calcium carbonate
Molecular Weight
100.09 g/mol
EC Number
207-439-9
Chemical Family
Inorganic Mineral Powders
Grade
Ultra-Fine Technical Grade (D50 < 2.0 Micron)
Purity
99.0% min CaCO3
Physical Form
Ultra-Fine Micronized Powder
Available Packaging
25kg Kraft Paper Bag with Inner PE Liner1,000kg Bulk Bag
Micronized Calcium Carbonate is an ultra-fine mineral powder processed through advanced wet/dry micro-grinding technology. Featuring tight particle size control and ultra-high brightness (97%+), it acts as a specialty reinforcing filler and functional extender in high-spec industrial applications.
Technical Description
Ultra-pure calcite mineral milled to sub-5 micron particle size. High chemical purity (99.0% CaCO3 min, Fe2O3 < 0.03%) eliminates color contamination and degradation in sensitive polymer, paper, and coating matrices.
Complete Chemical Specifications
CaCO3 Assay
99.0% min
ISO Whiteness
97.0% min
Median Particle Size D50
1.2 – 2.0 microns
Top Cut D98
5.0 microns max
Fe2O3 Content
0.03% max
Oil Absorption
20 – 24 g/100g
Moisture Content
0.15% max
Physical & Chemical Properties
Appearance
Pure white, soft, micro-fine powder
Odour
Odorless
pH
8.8–9.6
Density
2.71 g/cm³
Melting Point
825 °C (decomposes)
Solubility
Insoluble in water and organic solvents
Commercial Availability
Stock Status
In Stock
Lead Time
1-2 business days in Nairobi; dispatch to Uganda, Tanzania, Rwanda
MOQ
500 kg
Delivery Regions
Kenya, Uganda, Tanzania, Rwanda, South Sudan
Specify your required micron top-cut (e.g. 2 micron, 5 micron) for application-tailored batch selection.
Technical, regulatory, and supply guidance for Micronized Calcium Carbonate (Ultra-Fine Powder 2 Micron / 1250 Mesh).
Micronized Calcium Carbonate is ground limestone processed to an ultra-fine particle size where 50% of particles are smaller than 2 microns (1250 mesh).