Paints, Inks & Coatings

Calcium Carbonate

About Product

Calcium Carbonate (CaCO₃) is a versatile, white mineral filler widely used in the paint, inks, and coatings industry. It enhances opacity, brightness, and surface smoothness while improving dispersion and rheology control. With excellent weather and UV resistance, it is ideal for both interior and exterior formulations. Calcium Carbonate also helps reduce production costs and supports eco-friendly formulations by minimizing the use of synthetic pigments.

Chemical Formula: CaCO₃

Chemical Code: 471-34-1 (CAS Number)

Application & Uses

  • Filler to enhance opacity and reduce cost in paints
  • Improves brightness and whiteness in coatings
  • Enhances dispersion and rheological properties
  • Provides gloss control in matte and satin finishes
  • Increases bulk and smoothness in ink formulations
  • Acts as an extender in pigment-rich systems
  • Offers UV and weather resistance in exterior paints
  • Supports stability and consistency in emulsions
  • Used in primers, putties, and sealants
  • Environmentally friendly additive in low-VOC coatings

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