Strength Enhancement for Portland Line CementsAug 25, 2014 . Cement producers have made line cements under ASTM C1157. 6. Page 7. PLC and additive formulation approach. General approach.line as additive in cement,Holcim Ltd - Greater building sustainability with Holcim OptimoIn cement manufacturing, natural raw materials such as line and clay are . of Portland line cement, which contains ground line as additive.
line as additive in cement