Heavy Calcium Carbonate CAS#471-34-1
Excellent Filling Performance: Heavy calcium carbonate features high whiteness, fine and uniform particle size, outstanding filling capacity, which can effectively reduce product production cost and improve material compactness and surface smoothness.
Superior Compatibility & Dispersion: The powder has good fluidity, easy to disperse evenly in rubber, plastic, coating, papermaking and building materials systems without agglomeration, perfectly compatible with various raw materials.
Stable Chemical Character: Processed from high-purity natural calcite by physical grinding, it owns stable chemical properties, excellent weather resistance, non-toxic and odorless, no deterioration under conventional storage and use environment.
High Safety & Wide Applicability: Eco-friendly inorganic filler with low impurity content, safe and harmless, suitable for industrial production, building materials, feed and daily chemical related fields.
Heavy calcium carbonate with molecular formula CaCO₃ is a common high-quality inorganic mineral powder material. It has stable physical and chemical properties, excellent filling and modifying effects, and is widely recognized and applied in various industrial processing fields worldwide.
Chemical & Physical Properties
Property | Value |
|---|---|
Molecular Formula | CaCO₃ |
Melting point | 825 °C (Decomposes) |
Density | 2.70-2.72 g/cm³ |
Storage temp | Store below +30°C, sealed dry place, moisture-proof |
Solubility | Insoluble in water, soluble in dilute acid |
Form | Superfine crystalline powder |
Color | High pure white |
Odor | Odorless |
PH Value | 8.0-9.0 (water suspension) |
Whiteness | 93%-98% |
Stability | Stable at room temperature, excellent weather resistance |
EINECS No. | 207-439-9 |
CAS DataBase Reference | 471-34-1 |
Safety Information
Item | Value |
|---|---|
Hazard Codes | Non-hazardous |
Risk Statements | No special risk |
Safety Statements | Avoid long-term dust inhalation |
F | Non-flammable |
HS Code | 2836500000 |
Widely used in plastics, rubber, coatings, ink, papermaking, building putty, cement mortar, ceramic materials, feed additives and daily chemical industry as high-efficiency filler and functional auxiliary material.
