1.Expressed as a m (w)/ m (c)(including gypsum),the CWD for complete hydration of a typical clinker ranges from approximately 0.37 to 0.62 as gypsum contents increase from 0 to 30%.
2.Rare earth elements in a micro range of 4×10 -6 ～2×10 -4 can improve the burn ability of raw meal,reduce the free CaO and increase the alite content in cement clinker.
