Expanded slag

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A type of synthetic pumice made by injecting steam into molten slag. Expanded slag is a lightweight siliceous material used for gravel and and as an aggregate in concrete.

Synonyms and Related Terms

cinder; laitier expansé (Fr.);

Sources Checked for Data in Record

  • Dictionary of Building Preservation, Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996
  • The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998
  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 641

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