Portland Cement

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Portland cement is a compound that is used in the making of [[concrete]] and [[stucco]], as well as binding elements, such as [[mortar]] and [[grout]]. Portland cement contains primarily kiln-fired [[clinker]] that has been finely ground into a powder, and calcium sulfate, which is necessary for the cement to set. It can also contain a small amount of other materials (5% or less). The exact proportions depend upon the building standard that is mandated by a particular jurisdiction (e.g., EU standards vs. US standards).

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