tanning
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Tanning is a chemical treatment process that transforms raw animal hides into leather by making them soft, flexible, and resistant to decay. This process matters because it allows hides to be preserved and turned into durable materials suitable for making products like clothing, shoes, and bags.
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Tanned 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. An alternative method, developed in the 1800s, is chrome tanning, where chromium salts are used instead of natural tannins.