Crushed Limestone Aggregate. Composed of calcium carbonate, CaCO3, limestone aggregate has chemical and physical properties that deliver exceptional performance and value in a broad range of applications, particularly in the construction industry.
Limestone aggregate is commonly selected for this purpose. Flux Stone – When crushed, lime can be used for smelting and other metal refining processes. The heat of smelting causes the aggregate to combine with impurities and may be removed from the process as a slag.