4.Specifications of Calcium lignosulfonate
Calcium lignosulfonate (CALS) is a processed anionic surface agent with performance satisfactorily, it takes the by-product of second sulphate papermaking as raw materical. It has been used widely at construction 、ceramics and metallurgy etc.The CALS has advantages of a little volume to admixture, cheap price, used easily and improving the performance of concrete etc.