Calcium Carbonate (Feed Grade)


:   Calcium carbonate

Cas Number

:   2836-50-00

HS Code

:   2836.50.00




Basic Info

Appearance Name

:   Fine White Powder

Common Names

:   Aragonite, chalk, or Limestone


:   PP-PE Bags or Jumbo Bags 27.5 MT/20ft container

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Technical Document

Brief Overview

Calcium carbonate is known by aragonite or limestone come with chemical formula CaCO3. It comprises 4% of the earth’s total crust and is found in egg shells, snails, mineral rocks, pearls, shells of marine organisms and so on. It is an odourless, tasteless powder used in health supplements, agricultural industry, for environmental applications and many more.

Manufacturing Process

Producion of the pure calcium carbonate can be from marble, or by passing carbon dioxide into a solution of calcium hydroxide. In the later case, calcium carbonate is derived from the mixture, forming a grade of product called "precipitated calcium carbonate,” or PCC. A slurry of calcium hydroxide is agitated in a pressurized reactor, and carbon dioxide is provided under pressure to the reactor to produce precipitated calcium carbonate at a high reaction rate. Carbon dioxide is utilized at a high efficiency. Solubilized calcium ions and carbonate ions react to produce a calcium carbonate precipitate. Control of process conditions such as temperature, slurry concentration, and pressure, enables production of a desired crystal habit (including sclenohedral, rhombohedral, stacked rombohedral, or aragonite crystal structures), crystal size, or crystal aspect ratio.


Animal Feed Industry

The feed grade Calcium Carbonate has various applications and benefits, such as:   
• a common and economical calcium source for animals 
• main function is bone and teeth formation 
• prevent calcium deficiency or imbalance which can cause poor growth rates, poor bone development, reduced milk output and milk fever 
• facilitates nerve conduction, muscle contraction, blood clotting and immune system activation.


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