Calcium Carbonate is a chemical compound with the formula
CaCO3 . It is a common substance found almost in all parts of
the world.
In nature, CaCO3 occurs in three forms: Chalk, Limestone and
Marble.
Pure limestone is among the most raw materials used for industrial
and agricultural purposes. It is used in many industries like
paints, plastics, glass, building materials, animal feed... etc
Calcium carbonate is used as filler in concrete products such as
sewage pipes, in ready-mix and pre-cast concrete. GCC improves
workability properties of semi-dry, plastic or self-compacting
concretes and self-leveling mortars,
