masonry cement Hydraulic cement

masonry cement Hydraulic cement

for use in mortars for masonry construction where greater plasticity and water retention are desired than are obtainable by the use of portland cement alone; such a cement always contains one or more of the following materials: portland cement, portland-pozzolan cement, natural cement, slag cement, and hydraulic lime, and usually contains one or more of the following: hydrated lime, pulverized limestone, chalk, talc, pozzolan, clay, and gypsum; many masonry cements also include entrained air and a water-repellent.
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