Industrial Minerals

Calcium Carbonate

CaCO3
Calcium Carbonate
Industrial MineralsCalcium Carbonate
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Product Overview

About Calcium Carbonate

Processed through controlled grinding to achieve ultrafine to nano-sized particle distributions, Calcium Carbonate is offered in coated and uncoated grades for a broad range of industrial systems. Its brightness, purity and tailored particle characteristics support opacity, smoothness, dimensional stability and efficient processing. Uncoated grades provide effective filling and brightness, while coated grades offer improved hydrophobicity, polymer compatibility and dispersion in non-polar systems.

Advantages

Key Benefits

Why Calcium Carbonate is preferred across demanding industrial formulations.

Product advantage

Ultrafine to Nano-Sized Grades – Meets advanced formulation requirements.

Product advantage

High Brightness – Supports whiteness and visual consistency.

Product advantage

Controlled Particle Size – Promotes uniform dispersion.

Product advantage

Improved Dispersion in Coated Grades – Enhances polymer compatibility.

Product advantage

Good Opacity & Filling Efficiency – Supports coverage and bulk.

Product advantage

Dimensional Stability – Helps improve stiffness and shape retention.

Quality AssuredISO Certified
Lab TestedEvery Batch
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Global DeliveryWorldwide
Product Range

Available Grades

01

Ground Calcium Carbonate (GCC)

Naturally occurring and mechanically ground to various particle sizes.

02

Precipitated Calcium Carbonate (PCC)

Chemical synthesis with the controlled size, shape and purity.

03

Surface-Coated Grades

Improved compatibility with polymer and resin.

04

Density-Optimized Grades

For interior or exterior coating systems.

05

Ultrafine & Nano Grades

In inks and high performance coatings for gloss and transparency adjustment.

Product Markets

Calcium Carbonate Markets

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Frequently Asked Questions

Important information about Calcium Carbonate, grades and applications.

It provides whitening, opacity, rheology control, and mechanical strength while significantly reducing formulation costs.

Both natural (GCC) and synthetic (PCC) calcium carbonate are available, depending on performance needs.

It is commonly used in exterior paints where cost and opacity are priorities, though high-end exteriors rely more heavily on TiO₂ for weather resistance.

Dolomite (CaMg(CO₃)₂) generally offers higher hardness (Mohs 3.5–4) , better scrub resistance , and improved weathering performance compared to calcium carbonate (Mohs ~3) . From a cost perspective, dolomite is typically more economical than CaCO₃ , making it attractive for high-volume decorative paints, primers, and putties . Calcium carbonate, however, is preferred when higher whiteness, smoother surface finish, and better dispersion control are required, especially in premium coatings and paper applications .

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