Cashew gum

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The hard, yellowish-brown exudation from the bark of the cashew-nut tree, Anacardium occidentale. Cashew gum is used for inks, insecticides, varnishes, bookbinders' gum, and for tanning leather. It has also been used as a substitute for lacquer in high gloss finishes. Cashew gum is sold commercially as Polycite.

Synonyms and Related Terms

Anacardium occidentale; anacardium gum; goma de anacardo (Esp.); Polycite [Mitsubishi Petrochemical];

Physical and Chemical Properties

Slightly soluble in water.

Resources and Citations

  • Thomas Gregory, The Condensed Chemical Dictionary, Reinhold Publishing, New York, 3rd ed., 1942
  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 154
  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • N.Umney - Conservation News, Number 33, 1987