Calcite powder (8 micron) is a fine-grade calcium carbonate widely used in decorative and industrial paints where smoothness, opacity, and durability are important.
 
Main Uses of 8-Micron Calcite Powder in Paints:
Improved Smoothness & Finish
Fine particles give a smoother film compared to coarser grades like 20 micron.
Suitable for high-quality emulsions, gloss paints, and enamel undercoats.
Opacity & Brightness Enhancement
Acts as a TiO₂ extender, improving light scattering and reducing titanium dioxide consumption without losing whiteness.
Better Dispersion & Stability
Disperses uniformly in water-based and solvent-based paints, preventing settling and maintaining stable viscosity.
Mechanical Strength of Paint Film
Improves scrub resistance, hardness, and durability of the coating.
Gloss Control
In silk, semi-gloss, and matt emulsions, helps regulate gloss levels for desired finish.
Improved Coverage
Helps increase paint spreading rate due to fine particle packing.