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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 ...
The combined application of brain tissue and smoke produces soft and pliable buckskin leather, with a dark honey color. This treatment differs from the traditional tanning methods used in other societies and cultures and is thought to be preferable to vegetable tanning methods where tannins are exclusively used. [1]
The words "tannin", "tanning", "tan," and "tawny" are derived from the Medieval Latin tannare, "to convert into leather." Bark mills are horse- or oxen-driven or water-powered edge mills [ 2 ] and were used in earlier times to shred the tanbark to derive tannins for the leather industry.
Sun tanning or tanning is the process whereby skin color is darkened or tanned. It is most often a result of exposure to ultraviolet (UV) radiation from sunlight or from artificial sources, such as a tanning lamp found in indoor tanning beds.
A large number of different tanning methods and materials can be used; the choice is ultimately dependent on the end application of the leather. The most commonly used tanning material is chromium, which leaves the leather, once tanned, a pale blue colour. This product is commonly called “wet blue”.
Tanning may refer to: Tanning (leather), treating animal skins to produce leather; Sun tanning, using the sun to darken pale skin Indoor tanning, the use of artificial light in place of the sun; Sunless tanning, application of a stain or dye to the skin (active ingredient in tanning lotion products is dihydroxyacetone (DHA)).
It can cost 3 to 5 times more per lamp to use electronic ballasts than traditional choke ballasts, which is why choke ballasts are still used in the majority of new tanning systems. Another disadvantage of the older style choke ballast is they are designed for European electricity, and require incoming voltage in the range of 220 V AC and 230 V AC.
Sunless tanning, also known as UV filled tanning, self tanning, spray tanning (when applied topically), or fake tanning, refers to the effect of a suntan without exposure to the Sun. Sunless tanning involves the use of oral agents (carotenids), or creams, lotions or sprays applied to the skin. [1]