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2. Conservation and restoration of leather objects - Wikipedia

   en.wikipedia.org/wiki/Conservation_and...

   Red rot is the degradation of leather when it reacts with sulfur dioxide or other air pollutants. Objects affected by red rot go through several stages. In the early stages of red rot, leather will exhibit a pinkish color that becomes progressively darker as the decay progresses. The degradation and disintegration of red rot cannot be reversed. [6]

3. Leather - Wikipedia

   en.wikipedia.org/wiki/Leather

   Leather is a strong, flexible and durable material obtained from the tanning, or chemical treatment, of animal skins and hides to prevent decay. The most common leathers come from cattle , sheep , goats, equine animals, buffalo, pigs and hogs, ostriches, and aquatic animals such as seals and alligators.

4. Leather production processes - Wikipedia

   en.wikipedia.org/wiki/Leather_production_processes

   wetting back- semi-processed leather is rehydrated. sammying - 45-55%(m/m) water is squeezed out the leather. splitting - the leather is split into one or more horizontal layers. shaving - the leather is thinned using a machine which cuts leather fibres off. neutralisation - the pH of the leather is adjusted to a value between 4.5 and 6.5.

5. Tanning (leather) - Wikipedia

   en.wikipedia.org/wiki/Tanning_(leather)

   Tanning, or hide tanning, is the process of treating skins and hides of animals to produce leather. A tannery is the place where the skins are processed. Historically, vegetable based tanning used tannin , an acidic chemical compound derived from the bark of certain trees, in the production of leather.

6. Liming (leather processing) - Wikipedia

   en.wikipedia.org/wiki/Liming_(leather_processing)

   Liming is a process used for parchment or leather processing, in which hides are soaked in an alkali solution. It is performed using a drum and paddle or a pit. Its objectives are: [1] Removal of interfibrillary proteins. Removal of keratin proteins. Collagen swelling due to the alkaline pH. Collagen fibre bundle splitting. Removal of natural ...

7. Tandy Corporation - Wikipedia

   en.wikipedia.org/wiki/Tandy_Corporation

   Tandy Leather was founded in 1919 as a leather supply store. By the end of the 1950s, under the tutelage of then-CEO Charles Tandy , the company expanded into the hobby market, making leather moccasins and coin purses, making huge sales among Scouts , leading to a fast growth in sales. [ 1 ]