gks 21/04/2019 18:16:51 Grinding aid 1day & 28 day strength Dear expert , 1. I want know about grinding aid which can increase 1 day & 28day strenght in PPC cement . 2. what is effect on high mgo clinker used (5.5 % mgo) on 1 day & 28 day strenght in PPC Regards gks