1. Calcium hydroxide, also known as hydrated lime and slaked lime. Calcium oxide, that is, quicklime, is digested with water and then dried, sieved, and air-selected (or classified and crushed) to obtain a finished product, which is in the form of a delicate white powder. Relative density 2.24g / cm³, heated to 580 ℃, dehydrated to form calcium oxide, absorbed carbon dioxide in the air to form calcium carbonate, soluble in salt, ammonium salt, glycerin, hardly soluble in water, insoluble in alcohol, main component: Ca (OH ) ₂.

2. Uses: Widely used in soft water treatment, fume desulfurization, citric acid, tanning, coatings, smelting, bleaching powder, calcium-d grease, and can also be used in rubber, medicine and bottle filling materials, petrochemical products additives.

3. Features: It has strong alkali, which is an inorganic alkaline corrosive article, which has a corrosive effect on the skin and fabric.