Settable compositions comprising interground perlite and hydraulic cement

摘要

Methods and compositions are disclosed that comprise interground perlite and hydraulic cement. An embodiment provides a composition comprising interground perlite and hydraulic cement. Another embodiment provides a composition comprising: interground unexpanded perlite and Portland cement, the interground having a mean particle size of about 0.5 microns to about 10 microns; and water.

主权项

1. A composition consisting of:
an interground mixture consisting of unexpanded perlite and Portland cement, wherein the interground mixture has a mean particle size between about 0.5 microns and about 10 microns, wherein the perlite is present in an amount of about 40% to about 80% by weight of the perlite and Portland cement, wherein the Portland cement is present in an amount of about 20% to about 60% by weight of the perlite and Portland cement; and a hydraulic cement blended with the interground mixture.