Hydraulic binder with low clinker content
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United States of America Patent
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May 19, 2015
Grant Date -
Nov 14, 2013
app pub date -
Jan 26, 2012
filing date -
Jan 28, 2011
priority date (Note) -
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Abstract
A hydraulic binder includes, in parts by mass: (a) from 20 to 60 parts of Portland clinker; (b) from 20 to 40 parts of slag; and (c) from 0 to 60 parts of inorganic material other than the clinker and the slag; the sum of (a), (b) and (c) being equal to 100 parts; which binder further includes a slag activator including, relative to 100 parts of the sum of (a) and (b): from 1.4 to 6.55 parts of alkali metal salt, expressed as equivalent-Na2O; and from 1.1 to 11.0 parts of calcium sulfate, expressed as SO3.
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