Propylene Glycol as a Quality Improver for Portland and Portland .Keywords line, propylene glycol, grindability index, setting, hardening . process. A constant 5% of gypsum by weight of clinker has been added to each.the setting and hardening process of lime,What is the effect of mixing gypsum with white cement?Gypsum plays a very important role in controlling the rate of hardening of the cement. During the cement manufacturing process, upon the cooling of clinker, a small . and lime is usually recommended to control the quick setting of gypsum and.
the setting and hardening process of lime