Soft soap

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Description

A soft, or semi-fluid soap. Soft soap is made by the saponification of oils, such as candlenut oil or olive oil, with potassium hydroxide. It has been used as a parting compound to separate plaster casts from their molds.

Sources Checked for Data in Record

  • Ralph Mayer, A Dictionary of Art Terms and Techniques, Harper and Row Publishers, New York, 1969 (also 1945 printing)
  • Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997
  • The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998

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