Oak bark tanned leather
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Description
Oak bark was once used extensively for tanning, especially in England. The concentration of tannins in oak bark is relatively low (about 14%) and it takes about 6 months of soaking for the tannins to penetrate the skins. The long slow oak tannage process produced a fine grade of leather. Currently, oak bark tannins are blended with other tanning agents for faster processing.
Synonyms and Related Terms
oak extract; curtido con corteza de roble (Esp.); cuir tanné à l'écorce de chêne (Fr.); pele curtida com casca de carvalho
Resources and Citations
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 557
- Matt Roberts, Don Etherington, Bookbinding and the Conservation of Books: a Dictionary of Descriptive Terminology, U.S. Government Printing Office, Washington DC, 1982
- Marjory L. Joseph, Introductory Textile Science, Holt, Rinehart and Winston, Fort Worth, TX, 1986
- American Leather Chemists Association Glossary at www.leatherchemists.org