Boiled oil

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A type of linseed oil processed with heat and metallic driers to produce a faster drying product. Boiled linseed oil is not actually boiled but heated to about 130-150C with small amounts of soluble driers (organic salts of manganese, lead or cobalt). This treatment accelerates the drying process and makes the oil thicker. Boiled linseed oil is not suitable for artists use because it darkens when exposed to sunlight (Mayer 1969). Boiled oils have been used for industrial paints, varnishes, enamels, waterproofing, and patent leathers.

Synonyms and Related Terms

aceite cocido (Esp.); olio cotto (It); kettle-boiled oil

Additional Information

R. Mayer, A Dictionary of Art Terms and Techniques, Harper and Row, New York, 1969.

Sources Checked for Data in Record

  • R. J. Gettens, G.L. Stout, Painting Materials, A Short Encyclopaedia, Dover Publications, New York, 1966
  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 458
  • Reed Kay, The Painter's Guide To Studio Methods and Materials, Prentice-Hall, Inc., Englewood Cliffs, NJ, 1983
  • Ralph Mayer, A Dictionary of Art Terms and Techniques, Harper and Row Publishers, New York, 1969 (also 1945 printing)
  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993