Bookbinding and the Conservation of Books
A Dictionary of Descriptive Terminology

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aldehyde tanning

Essentially a formaldehyde tannage. Several aldehydes react with hide protein to prevent putrefaction, but onlyFORMALDEHYDE has been used to any extent in the manufacture of leather. Formaldehyde is soluble in water, the resultant solution generally being known as FORMALIN . Aldehyde tanning is used principally in tanning white, washable leathers, usually sheep or lambskins, with the grain split or shaved off. Such leathers are seldom used in bookbinding. See also: ZIRCONIUM TANNING . (291 , 306 , 363 )

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