ASSAY : 95.5% Calcium hydroxide is an inorganic and is also called slaked lime or hydrated lime. It is a white powder that forms when calcium oxide (quicklime) is mixed with water. It has various applications, including its use in construction as a mortar additive and in water treatment as a flocculant and pH regulator.Additionally, it finds application in the manufacturing of chemicals and materials such as plastics and paper.