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Lime Stone
 
Limestone is a general term embracing “ Carbonate Rocks or Fossils”. It is composed primarily of Calcium Carbonate or combination or Calcium and Magnesium with varying amount of impurities, the most common of which are Silica and Alumina.
 
 
CHEMICAL SPECIFICATIONS
CaO : 48 to 52%
MgO : 2.5 to 5.0%
SiO2 : 2.5 to 5.0%
Fe2O3 : 0.2 to 0.7%
Al2O3 : 0.4 to 0.6%
Na2O + K2O : 0.1 to 0.2%

Physical specification is as under,
25 mm to 150 mm
 
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