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A carbohydrate extract from Seaweed, primarily Gelidium or Gracilaria. Funori is a type of Agar that is used as a weak water-soluble Adhesive. It can form a Gel at concentrations as low as 1%. It is primarily composed of Galactose and is similar to agar. The mucilage has a low viscosity and dries to a thin, flexible, matte film. Funori is traditionally used by Japanese scroll mounters as a consolidant for friable media (AIC Book and Paper Catalog). Funori primarily comes from Japan where it has been cultivated since the 17th century (Swider and Smith 2005).

Synonyms and Related Terms

funoran; funori (It); Japanese seaweed adhesive; Halio


Funori, dried from aqueous solution.TIF

Physical and Chemical Properties

Soluble in water.

Resources and Citations

  • Joseph R. Swider, Martha Smith, "Funori: Overvew of a 300-Year-Old Consolidant" JAIC 44(2), pp. 117-126, 2005.
  • A Glossary of Paper Conservation Terms, Margaret Ellis (ed.), Conservation Center of the Institute of Fine Arts, New York City, 1998
  • Book and Paper Group, Paper Conservation Catalog, AIC, 1984, 1989
  • John S. Mills, Raymond White, The Organic Chemistry of Museum Objects, Butterworth Heineman, London, 2nd ed., 1994