What is Calcium Carbonate ?

What is Calcium Carbonate ?

Calcium Carbonate is a chemical compound with the formula CaCO₃. It is a well-known material that occurs naturally in rocks such as calcite and aragonite, most notably in limestone, which contains both of these minerals.

Calcium Carbonate appears either as a fine white, odorless powder or as colorless crystals. Practically, it is insoluble in water. Today, Calcium Carbonate is one of the most widely used minerals, with applications across a broad range of industrial and commercial sectors.

It is the most widely used mineral in the paper, plastics, paints, and coatings industries as an effective filler. Due to its unique white color, it is also used as a pigment in papermaking. Globally, it is valued for its high brightness and excellent light-scattering properties.

Some Uses of Calcium Carbonate

  • As a low-cost filler to produce glossy, opaque paper, where it is added at the wet end of papermaking machines.

  • As a filler in adhesives and sealants.

  • As an extender in paints, where it can represent up to 30% of paint weight.

  • As a dietary calcium supplement, antacid, phosphate binder, or excipient in pharmaceutical tablets.

  • As an ingredient in everyday consumer products such as baking powder, toothpaste, confectionery mixes, dough, and wine.

  • As the active ingredient in agricultural lime and as a supplement in animal feed.

  • In water and waste treatment, where it contributes to environmental protection.

  • In construction, either as a building material itself (like marble) or as a component of cement and mortar for binding bricks, concrete blocks, stones, roofing panels, rubber compounds, and tiles.

Calcium Carbonate decomposes to form carbon dioxide and lime, making it essential in steel, glass, and paper industries. In industrial settings, it is widely used to neutralize acidic conditions in soil and water.

Thanks to its chemical stability, high purity, mechanical strength, and eco-friendly, non-toxic nature, Calcium Carbonate is among the most common and vital materials worldwide. Beyond industry, it also plays a natural role as the main component of marine shells and skeletons, reinforcing its importance in modern economies.

Main Applications of Calcium Carbonate

  1. Plastics Industry

    Calcium Carbonate is one of the most important fillers in plastics. It enhances physical and mechanical properties, increasing product strength while maintaining required flexibility.

    • Used in producing plastic water pipes that withstand high water pressure.

    • Improves the durability of plastic bags, making them more tear-resistant.

    • Used in automotive plastic parts to improve durability and reduce costs.

  2. Paper Industry

    Calcium Carbonate is essential in papermaking, where it acts as a brightening and whitening agent, making it ideal for magazines, books, and high-quality printing papers.

    • Reduces consumption of natural fibers, making paper more eco-friendly.

    • Lowers production costs while maintaining quality.

  3. Food Industry

    Widely used as a food additive and dietary supplement to enhance calcium content.

    • Used in calcium supplements for people with deficiencies.

    • Added to dairy products such as yogurt and cheese.

    • Used in confectionery to ensure smooth texture and prevent ingredient clumping.

  4. Agriculture

    • Neutralizes soil acidity, improving crop yields.

    • Used in animal feed to supply livestock with essential calcium.

    • Improves soil structure and water retention capacity.

  5. Paints and Coatings Industry

    Calcium Carbonate plays a major role in paints.

    • Adds smoothness and gloss for a more professional finish.

    • Reduces raw material consumption, lowering costs.

    • Improves paint resistance to corrosion and environmental factors.

  6. Construction Industry

    Calcium Carbonate is a vital ingredient in cement, tiles, and synthetic stones.

    • Increases concrete durability, making it more resistant to harsh environments.

    • Used in gypsum production for interior finishing.

How is Calcium Carbonate Packaged?

Zohdi Mining Company provides a variety of packaging options to meet all client needs, whether small or large:

  • Small bags (25 g)

    Ideal for individual use or small projects.

  • Jumbo bags (1 ton)

    Suitable for large projects requiring bulk quantities.

  • Bulk packaging

    Reduces shipping and transportation costs.

  • Customized packaging

    Tailored solutions based on client requirements.

How is Calcium Carbonate Transported?

Transport requires special procedures to maintain product quality and safety:

  • Land transport

    Using specialized trucks to prevent exposure to moisture or damage.

  • Sea transport

    Using sealed containers for international shipments.

  • Air transport

    For urgent shipments requiring fast delivery.

Calcium Carbonate Prices

Prices vary depending on:

  1. Purity and quality

    Higher purity means higher prices.

  2. Order volume

    Larger quantities are generally more cost-effective.

  3. Logistics costs

    Including transportation and storage.

  4. Local and global markets

    Influenced by supply and demand fluctuations worldwide.

Zohdi Mining Company – Leading Supplier of Calcium Carbonate

Zohdi Mining Company is one of the main suppliers of Calcium Carbonate in the Middle East, offering world-class products that meet the highest industry standards.

Why choose Zohdi Mining Company ?

  • High-quality products.

  • Competitive prices.

  • Customized solutions tailored to client needs.

  • Flexible packaging and transportation options.

  • Strict adherence to delivery deadlines.

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We are manufacturer of Calcium Carbonate, Limestone Feed Grade, Gypsum and Silica Sand products.

Dokki , Giza , Egypt
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