Lime powder Related Effects: Inhalation lime dust may cause pneumonia. Maximum allowable concentration 5mg / m3. Inhalation of dust industrial lime, water vapor can be inhaled, codeine and still Aoning, painted mustard paste thorax place; when into the eye, rinse water can be used as soon as possible, and then 5% ammonium chloride solution or 0.01% CaNa -EDTA solution, rinse, and then 0.5% tetracaine solution was dropped. Lime we often called 'lime', the main component of the chemical name calcium oxide (CaO) are limestone (CaCO3) firing into. The main component is calcium oxide quicklime, usually prepared by calcium carbonate as the main component of natural rock, calcined lime industry manufacturers, can be decomposed to produce carbon dioxide and calcium oxide at high temperature (chemical formula: CaO, i.e. lime, also known as marble) .