Chemical Limestone

Graymont owns and manages high quality calcium and dolomitic limestone deposits. As a result, we can produce chemical-grade materials that satisfy a wide range of industrial and agricultural specifications.

Kampar Chemical Stone

High Calcium Limestone

High calcium limestone is manufactured to rigorous standards and can be used for various applications. Both the chemical and physical parameters are measured and monitored on a daily basis. Product sizes do vary between our sites across the regions. Please review further content on the High Calcium Limestone page provided on our menu.

Dolomitic Limestone

Graymont also mines dolomitic limestone at some of our sites. These products are outlined in more detail on the Dolomitic Limestone page provided on our menu.


Le saviez-vous ?

There are three distinct types of limestone, defined by their magnesium carbonate (MgCO3) concentrations. These types are Dolomitic (35 to 46% MgCO3), Magnesian (5 to 35% MgCO3) and High calcium (less than 5% MgCO3).