Foxfire Enterprises, Inc. manufactures cleaning and waterproofing products for a wide-variety of surfaces and applications. Foxfire products fall into 4 basic categories: cleaners, crystalline sealers/hardeners, repellants, and solvents, and have a nearly two-decade history of performance in a truly wide-ranging number of industries.
Concrete, usually Portland cement concrete, is a composite material composed of fine and coarse aggregate bonded together with a fluid cement (cement paste) that hardens over time—most frequently a lime-based cement binder, such as Portland cement, but sometimes with other hydraulic cements, such as a calcium aluminate cement.
Saudi-Arabian Astra Industrial Group (AIG), a leading industrial conglomerate, which is active in the key industrial segments of pharmaceuticals, specialty chemicals, power & steel and mining, decided some years ago to extend its product portfolio by products related to limestone and burnt lime as well as hydrated lime.
Limestone-Hydrochloric Acid Process Limestone can be treated with hydrochloric acid to form calcium chloride and carbon dioxide: . If concentrated (36%) hydrochloric acid is utilised, the concentration of CaCl 2 in the produced solution will be approximately 40% and further evaporation is only needed when flakes are produced.