Difference between revisions of "Red decay"
From www.leather-dictionary.com - The Leather Dictionary
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| − | The so-called red decay or red rot is a phenomenon that occurs mainly in libraries with very old [[vegetable-tanned leather]] [[Leather book cover|book bindings]]. The tanned leather suffers by hyperacidity caused by the influence of sulphur dioxide in humid air, which was | + | The so-called red decay or red rot is a phenomenon that occurs mainly in libraries with very old [[vegetable-tanned leather]] [[Leather book cover|book bindings]]. The tanned leather suffers by hyperacidity caused by the influence of sulphur dioxide in humid air, which was abundant in particular due to gas lit lanterns in earlier times. Sulphur dioxide is converted into sulphur acid and this attacks the leather and pulverizes the surface. Such [[leather damages|damages]] are irreversible. |
Revision as of 17:49, 12 February 2017
The so-called red decay or red rot is a phenomenon that occurs mainly in libraries with very old vegetable-tanned leather book bindings. The tanned leather suffers by hyperacidity caused by the influence of sulphur dioxide in humid air, which was abundant in particular due to gas lit lanterns in earlier times. Sulphur dioxide is converted into sulphur acid and this attacks the leather and pulverizes the surface. Such damages are irreversible.
Red decay - Red Rot
Red decay, seen in the DLM - German Leather Museum in Offenbach.
Additional information
a kotori web solution