Introduction

Quick lime generally contains overheated lime, overheated lime maintenance is slow, if the stone ash paste hardening again, it will cause expansion cracking due to aging expansion. In order to eliminate this harm of lime burning, the lime should also be “aged” for about 2 weeks after maintenance. The shape is white (or gray, brown, white), amorphous, absorbing water and carbon dioxide from the air. Calcium oxide reacts with water to form calcium hydroxide and gives off heat. Soluble in acidic water, insoluble in alcohol. Inorganic alkaline corrosive articles, national hazard code :95006. Lime reacts chemically with water and is immediately heated to temperatures above 100°C.