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.);

Resources and Citations

  • 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