Advanced Precipitated Calcium Carbonate
Precipitated Calcium Carbonate from Shiv Rudra Minerals International is a high purity, synthetically processed mineral designed for consistent particle size and superior brightness. Manufactured using advanced carbonation methods, it delivers excellent dispersion, controlled morphology, and enhanced performance across industries such as plastics, paper, paints, rubber, and pharmaceuticals, ensuring improved product quality, durability, and cost efficiency. Its uniform structure supports better surface finish, printability, and mechanical strength in end products applications.
This grade offers excellent whiteness, low abrasiveness, and precise particle distribution, making it ideal for specialized applications requiring consistent performance and enhanced processing efficiency across diverse industrial and commercial sectors.
- Properties
- Application
- Chemical Composition
| Parameter | Specification |
| Appearance | Fine Bright White Powder |
| Calcium Carbonate Content | 97.50% ± 1.0% |
| Fineness Residue on Sieve (by weight) | 0.1% Max. (300 Mesh) |
| Alkalinity | 0.22 Max. |
| Moisture Content | 1.0% Max. |
| Specific Gravity | 2.7 |
| Solubility in Hydrochloric Acid (5N) | Clear Solution |
| Soluble Alkali (as Na₂O) | Less than 0.15% |
| pH Value | 9.5 ± 0.5 |
| Loss on Drying at 105°C ± 5°C | 0.5% – 0.8% |
| Iron (as Fe) | Less than 0.01% |
| Manganese (as Mn) | Less than 0.003% |
| Copper (as Cu) | Negligible |
| Arsenic (as As) | Nil |
| Chloride (as Cl) | Trace Quantity |
| Fluoride (as F) | 0.05% Max. |
| Phosphate (as PO₄) | 0.05% Max. |
| Sulphate (as SO₄) | 0.02% Max. |
| Silica (as SiO₂) | Less than 0.05% |
| Aluminium, Iron, Phosphates & Insoluble Matter in Hydrochloric Acid | Less than 0.5% |
| Magnesia (as MgO) | Less than 0.5% |
Here are some key applications of precipitated calcium carbonate across various industries:
- Paper Industry: Used as a filler and coating material to enhance brightness, opacity, smoothness, and print quality of paper products.
- Paints & Coatings: Widely utilized as a functional filler and extender to improve durability, surface finish, gloss retention, and weather resistance in paints and coatings.
- Plastics Industry: Acts as a reinforcing additive in plastic manufacturing to enhance mechanical strength, thermal stability, and processing performance.
- Rubber Industry: Incorporated as a reinforcing filler to improve elasticity, tensile strength, and overall durability of rubber-based products.
- Construction Industry: Used in the production of concrete, mortar, and other building materials to improve strength, consistency, and long-term durability.
- Pharmaceutical Industry: Serves as an excipient in the formulation of tablets and capsules, ensuring better composition and stability of pharmaceutical products.
- Food Industry: Applied as a food-grade additive to enrich calcium content in products such as dairy items, soy-based foods, and breakfast cereals.
Precipitated Calcium Carbonate (CaCO₃) possesses a molar mass of 100.0869 g/mol and is primarily composed of calcium, carbon, and oxygen elements. Along with these core constituents, trace quantities of other elements may also be present, depending on the raw material source and the manufacturing methodology employed.
