Natural cement

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Description

Any cement made from a naturally occurring mixture of limestone and clay. To make the natural cement, the rock is powdered, then calcined and mixed with water. This is the ancient method of cement production that was used for Roman cement. Natural cement sets quicker than portland cement but it is softer and weaker.

Synonyms and Related Terms

natural cement; Roman cement; Rosendale cement; hydraulic lime

Sources Checked for Data in Record

  • Thomas Gregory, The Condensed Chemical Dictionary, Reinhold Publishing, New York, 3rd ed., 1942
  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 173
  • Dictionary of Building Preservation, Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996

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