Calcium Carbonate (CaCO₃) is a widely used inorganic mineral compound supplied in powder form for plastics, rubber, paints and coatings, paper, construction materials, adhesives, sealants, animal feed, agriculture, and industrial applications. It is valued for its high calcium content, whiteness, opacity, filler properties, and cost-effectiveness.
As a reliable Calcium Carbonate manufacturer in India, we supply calcium carbonate powder in different grades, particle sizes, and specifications for industrial and commercial applications, with bulk supply and export support.
General Specification
| Parameter | Specification | Result |
|---|---|---|
| Appearance | White fine powder | White fine powder |
| Calcium Carbonate (CaCO₃) | NLT 98.0% | 98.80% |
| Calcium (Ca) | 38.0 – 40.0% | 39.50% |
| Moisture | NMT 0.50% | 0.18% |
| pH (10% Suspension) | 8.0 – 10.0 | 9.10 |
| Acid Insoluble Matter | NMT 1.0% | 0.30% |
| Magnesium (Mg) | NMT 1.0% | 0.40% |
| Iron (Fe) | NMT 0.10% | 0.03% |
| Heavy Metals | NMT 20 ppm | 8 ppm |
| Whiteness | NLT 95% | 97% |
| Particle Size | As per grade | As specified |
| Residue on 325 Mesh | NMT 0.50% | 0.20% |
Specifications may vary according to grade, source, particle size, surface treatment, and application. Batch-specific COA and detailed technical specifications are available on request. For more detailed specification and technical data please Contact Us.
Technical Specification
| Parameter | Details |
|---|---|
| Product Name | Calcium Carbonate |
| Other Names | Calcium Carbonate Powder, Calcite, Limestone Powder |
| Chemical Formula | CaCO₃ |
| Molecular Weight | 100.09 g/mol |
| CAS Number | 471-34-1 |
| HS Code | 28365000 |
| Appearance | White fine powder |
| Odor | Odorless |
| Solubility | Practically insoluble in water |
| Nature | Inorganic mineral compound |
Available Grades
We manufacture and supply:
- Industrial Grade Calcium Carbonate
- Precipitated Calcium Carbonate (PCC)
- Ground Calcium Carbonate (GCC)
Applications
Plastics Industry
Calcium carbonate is extensively used as a mineral filler in:
- PVC pipes and profiles
- Plastic sheets
- Masterbatch
- Polypropylene compounds
- Polyethylene products
- Injection-moulded products
- Plastic films
It can help improve stiffness, dimensional stability, processing characteristics, and cost efficiency.
Rubber Industry
Used as a filler in:
- Rubber sheets
- Rubber profiles
- Footwear compounds
- Hoses
- Belts
- Industrial rubber products
Paints & Coatings
Calcium carbonate is used as a functional extender and filler in:
- Decorative paints
- Industrial coatings
- Architectural coatings
- Water-based paints
- Primers
- Putty formulations
Paper Industry
Fine calcium carbonate grades are used in:
- Paper coating
- Paper filling
- Printing paper
- Writing paper
- Packaging paper
Calcium carbonate can contribute to whiteness, opacity, brightness, and printability.
Construction Industry
Used in:
- Wall putty
- Construction compounds
- Sealants
- Adhesives
- Cement-based formulations
- Flooring materials
Adhesives & Sealants
Used as a mineral filler in:
- Construction adhesives
- Sealants
- Caulks
- Polymer-based formulations
Agriculture & Animal Feed
Suitable calcium carbonate grades can be used as a calcium source in agricultural and animal-feed formulations, subject to applicable specifications and regulatory requirements.
Advantages
- High calcium carbonate content
- Excellent filler properties
- Available in fine particle sizes
- Good dispersion in suitable formulations
- Helps improve opacity and stiffness
- Cost-effective mineral filler
- Wide industrial application range
Packaging Details
Available in:
- 25 kg HDPE bags with inner liner
- 25 kg paper bags with suitable inner liner
- 500 kg / 1000 kg jumbo bags
- Customized export packaging available
Packaging can be selected according to grade, quantity, application, and destination.
Storage Conditions
- Store in a cool, dry and well-ventilated area.
- Keep containers tightly closed.
- Protect from moisture and contamination.
- Store on pallets and away from direct contact with the floor.
- Avoid exposure to excessive humidity.
Handling Precautions
- Avoid inhalation of fine powder.
- Use suitable respiratory protection where dust is generated.
- Wear protective gloves and safety eyewear.
- Maintain adequate ventilation during handling.
- Avoid unnecessary dust formation.
Why Choose Us?
- Reliable Calcium Carbonate manufacturer in India
- Bulk calcium carbonate supply capability
- GCC and PCC grades available
- Consistent quality and whiteness
- Competitive bulk pricing
- MSDS/SDS and TDS support
- Global shipping support
FAQs
What is Calcium Carbonate used for?
Calcium Carbonate is widely used as a filler and functional mineral additive in plastics, rubber, paints, coatings, paper, construction materials, adhesives, sealants, agriculture, and animal-feed applications.
What is the CAS number of Calcium Carbonate?
The CAS number of Calcium Carbonate is 471-34-1.
What is the chemical formula of Calcium Carbonate?
The chemical formula is CaCO₃, and its molecular weight is 100.09 g/mol.
What is Calcium Carbonate powder?
Calcium Carbonate powder is a finely processed form of CaCO₃ obtained from calcium carbonate mineral sources or produced through precipitation, depending on the grade.
What is the difference between GCC and PCC Calcium Carbonate?
GCC (Ground Calcium Carbonate) is produced by grinding and classifying natural calcium carbonate minerals. PCC (Precipitated Calcium Carbonate) is chemically produced and can offer controlled particle characteristics and morphology for specialized applications.
What is coated Calcium Carbonate?
Coated Calcium Carbonate is generally treated with a surface modifier, commonly fatty-acid based, to improve dispersion, compatibility and processing performance in polymers and other formulations.
Is Calcium Carbonate soluble in water?
Calcium Carbonate is practically insoluble in water but reacts with acids.
Is Calcium Carbonate used in plastics?
Yes. Calcium Carbonate is one of the most widely used mineral fillers in plastics, including PVC, polypropylene, polyethylene, masterbatch and plastic compounds.
Is Calcium Carbonate used in paint?
Yes. Calcium Carbonate is commonly used as an extender and filler in paints and coatings, where it can contribute to opacity, whiteness, rheology and formulation economics.
What particle sizes of Calcium Carbonate are available?
Particle size depends on the application. We can supply standard, fine and customized particle-size grades according to customer requirements.
Do you supply Calcium Carbonate in bulk?
Yes. We supply bulk Calcium Carbonate in 25 kg bags and jumbo bags, with customized packaging available for export requirements.
Do you provide COA and MSDS for Calcium Carbonate?
Yes. Batch-specific COA, MSDS/SDS and technical documentation can be provided for supplied material.
Which industries use Calcium Carbonate?
Major consuming industries include plastics, rubber, paints and coatings, paper, construction, adhesives, sealants, agriculture and animal nutrition.
