Sobre Calcium Carbonate

Calcium Carbonate is a naturally occurring inorganic compound with the chemical formula CaCO₃. It is typically found as a white, odourless powder or crystalline solid and is one of the most abundant minerals on Earth, occurring in rocks such as limestone, marble, and chalk. Calcium carbonate is produced either by mining and grinding natural deposits or through a precipitation process using calcium hydroxide and carbon dioxide. The physical form and purity of the final product can be tailored to meet the needs of specific applications.

Due to its wide availability, non-toxic nature, and versatility, calcium carbonate is used across numerous industries. It serves as a filler, extender, buffering agent, and pigment in products ranging from construction materials and paper to plastics, pharmaceuticals, and food. It is available in both ground and precipitated grades, each offering distinct advantages in terms of particle size, brightness, and surface area.

Calcium Carbonate Uses

Construction & Building Materials

Calcium carbonate is widely used in the construction industry as a key ingredient in cement, concrete, lime, and mortar. It also functions as a filler and stabiliser in the production of tiles, adhesives, sealants, and decorative stone products. Its strength, whiteness, and pH-stabilising properties make it valuable for both structural and aesthetic applications.

Plastics, Rubber & Paints

As a mineral filler, calcium carbonate is used to improve the mechanical properties and reduce production costs of plastics, rubber, and coatings. It enhances stiffness, impact resistance, and dimensional stability while also acting as a white pigment. In paints and coatings, it contributes to opacity, gloss control, and surface smoothness.

Paper & Packaging

In the paper industry, calcium carbonate is used as a coating pigment and filler to improve brightness, smoothness, and printability. It helps reduce production costs while delivering excellent performance in high-speed printing. Both ground and precipitated calcium carbonate grades are used in modern paper manufacturing processes.

Food, Pharmaceuticals & Personal Care

Food-grade calcium carbonate is used as a calcium supplement, acidity regulator, and anti-caking agent in products like dairy, beverages, and baked goods. In pharmaceuticals, it functions as an active ingredient in antacids and dietary supplements. It is also used in personal care items such as toothpaste, where it serves as a gentle abrasive and pH buffer.

Environmental Applications

Calcium carbonate is used in environmental management for pH control, flue gas desulfurisation, and water treatment. It neutralises acidic soils and industrial waste streams, helping reduce environmental impact and improve the performance of biological treatment systems.

Calcium Carbonate Supplier Australia, USA & More!

Redox are trusted, authorised suppliers of calcium carbonate. With distribution centres worldwide, we can supply to Australia, USA, UK, NZ, Europe, Asia and more. Get in touch with our expert team, who can help you order the right product, form and amount for your needs.