Calcium carbonate

Calcium carbonate (CAS 471-34-1 ), also known as E 170 and supplied under grades such as Aeromatt, is a mineral-based ingredient used across food, pharmaceutical, and industrial manufacturing.

It functions primarily as a filler, pH buffer, coating agent, and calcium source depending on the application sector. In plastics and rubber compounding, it acts as a functional filler that reduces raw material costs.

This versatile mineral improves stiffness and dimensional stability in finished parts. Food and pharmaceutical manufacturers use it as a calcium fortification agent, acidity regulator, and tablet excipient in solid dosage forms.

Paper producers apply it as a coating pigment and filler to improve brightness, opacity, and printability in fine paper grades. In construction, it is a core raw material in cement and lime mortars.

Dry-mix formulations benefit from controlled alkalinity which supports setting and durability. Calcium carbonate is available as ground (GCC) and precipitated (PCC) grades, each offering distinct particle size distributions.

These variations are suited to different processing requirements. Standard supply forms include fine powder, ultrafine powder, and coated variants for polymer applications. Recognized grades include food-grade, FCC , and USP .

Additional quality standards available for procurement include Ph. Eur. and technical grade for industrial use. This ensures compliance across various global regulatory frameworks and manufacturing specifications.

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