Applications

Calcium Carbonate Particle Sizing for Paint and Coating Applications

A pigment obtains, for example, its maximum colour effect only in a narrow particle size range below 1 to 2 microns. Therefore, understanding particle size distribution of calcium carbonates becomes one of the foremost parameters to be examined. In this study, the particle size distribution of the two different grades of calcium carbonate was investigated using HORIBA Partica LA-960V2 Laser Scattering Particle Size Distribution Analyzer.

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Calcium carbonate (CaCO3) is one of the most abundant minerals on the Earth with a large array of industrial applications. It is extensively used by the aqueous paint and coating industries as an extender and as a pigment (due to its special white colour), typically in the range of 20-60%. Particle size control of calcium carbonate within formulations plays a vital role in various coating properties important to the paint chemists such as viscosity, dispersion stability, opacity, and tinting strength.
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Partica LA-960V2
Partica LA-960V2

Laser Scattering Particle Size Distribution Analyzer

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