The Use Of Tanning Animals On The Animals

1367 Words Sep 13th, 2016 6 Pages
Leather is a highly durable and flexible material created by tanning animal rawhide and skin, often cattle. People use leather to make various goods including bookbinding, clothing, and as a furniture covering. It is produced in a wide variety of types and styles and is decorated by using a wide range of techniques and tools. The process of treating animal skins and hides to produce leather is called tanning. Animal hides have been used since prehistoric times for things such as shelter and clothing. Hides and skins are generally considered the most valuable part of an animal. The hide represents a portion of a live animal’s weight that can range anywhere from 4 percent to 11 percent. After the hide is removed from the animal, it has to be cured quickly in order to avoid decomposition from enzymes and various bacteria. The four basic hide treatments include salt curing, curing by mixer, curing by raceway, and air drying. Salt curing is enacted immediately to prevent decomposition of the skin and hide of the animal. Curing the animal skins and hides with salt removes water from them. The content of moisture is reduced significantly and osmotic pressure is increased to the point that bacteria cannot continue to grow. The subtypes of salt curing include wet-salting and brine curing. During wet-salting, hides and skins are salted heavily and pressed into tight packs for about 30 days. In brine curing, they are placed in a saltwater bath for about 16-20 hours. Curing…
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