xxxx 26/09/2009 09:41:25 MgO Reduction can anybody suggest me to reduce MgO % in cement if i have 5% MgO in clinker.can i use limestone with cement grinding to reduce the same to what extent can i add limestone & why?how can i reduce the autoclave expansion in cement?rajesh AN - Kuwait 01/10/2009 10:55:08 Main factor to consider is IR.And strengths also will effect.4-5 % of limestone can be added by taking these into account Raj Sahu 01/10/2009 12:04:57 Normal 0 false false false MicrosoftInternetExplorer4 Manufacture of higher proportion of blended cement will offset the unsoundness problem due to periclase. Stephenb 01/10/2009 12:30:52 Supplementary cemintitious material is the way to go