Names and definitions of concrete admixtures with different functions

According to the national standard GB8075-2005, 27 types of concrete admixtures are defined. They are:1. Ordinary water-reducing admixtures: When the slump of concrete is basically the same, it can reduce Mixing water amount of admixture. 2. Early strength agent: an admixture that accelerates the early strength development of concrete. 3. Retarder: an admixture that prolongs…