admixture properties

What is the effect on concrete and admixture if relative density was more or less as mentioned by manufacturer..(variation is more more than .02 s per is 9103)???

Determination of Admixture Properties At construction project or at RMC plant we can check the properties of admixture by doing admixture performance test through trials. Admixture affect the properties of concrete very badly as it is intended to modify the properties of concrete. if there is...