Specific Surface Blaine Limestone Fgd

Technical feasibility for use of fgd gypsum as an additive setting time retarder for portland cement visits.2495.Behavior can be probably due to different crystalline characteristics and contained of impurities such as ash and limestone.Fig.10.Dtg/tg curves of fgd gypsum.(0.09mb).Fig.11.Specific surface blaine method.