Calcium carbonate powder (CaCO3) is a widely used industrial and medicinal mineral extracted from limestone, marble, or chalk, or created synthetically. [1, 2, 3]
Key Uses by Industry
Construction & Building: Used as a fundamental raw material and filler in cement, mortar, bricks, and concrete to improve strength, durability, workability, and crack control. [1, 2, 3]
Plastics & Polymers: Acts as a cost-reducing filler and extender in PVC, polyethylene (PE), and polypropylene (PP) to enhance rigidity, impact resistance, and thermal stability. [1, 2, 3]
Paints & Coatings: Functions as a primary white pigment, skeleton, and extender to improve opacity, gloss, and weather resistance. [1, 2, 3]