Hydrated Lime/slack lime for mining and oil refining No of Employees: 100-200 People. COA,SGS,MSDS,COA. Hydrated Lime/slack lime mortar ... Synonyms: calcium hydroxide, slaked lime, lime powder, ash Calcium Powder1. Features 1). Lower ... ventilate place, it will keep good for 6 months. Hydrated Lime/slack lime for mining and oil refining