Soft soap

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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.

Resources and Citations

  • 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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