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Precipitated Calcium Carbonate

  • Overview
  • Table of Content

Natural Ground Calcium Carbonate both coated and uncoated, is a mineral compound derived from limestone or marble deposits. It is widely used in various industries due to its abundance, affordability, and diverse applications.. Its versatility as a filler, pigment extender, and pH regulator makes it a valuable component in numerous products and processes.

Coated Calcium Carbonate: coated calcium carbonate refers to the product where the calcium carbonate particles are coated with a surface treatment. The coating can be a polymer or other additives that modify the surface properties and improve functionalities.

Uncoated Calcium Carbonate: Uncoated calcium carbonate refers to the product without any additional surface treatment. It retains the natural properties of calcium carbonate.

Here's an overview of the product and its common use cases:

Uses

Filler in Paper Industry
Paints and Coatings
Plastics and Rubber
Adhesives and Sealants
Construction Materials
Agriculture and Animal Feed
Personal Care Products & Pharmaceuticals

Specifications

Grade GCC-1 GCC-2
Color and appearance White and bright, free from impurities White and bright, free from impurities
% Whiteness 95% - 100% 95% - 100%
% Purity (CaCO3 + MgCO3) 95 % min 95 % min
Particle size distribution D90- 10 micron
D50- 2 micron
D90- 20 micron
D50- 4 micron
Structure Calcite Calcite
Tapped bulk density 0.90 - 1.00 1.20
pH 8-9 8-9
Loss on drying / moisture 0.20% max 0.20% max
% SiO2 2% max 2% max
Fe2O3 Below 200 ppm 200 ppm
Chloride Traces Traces