Ads
related to: chemicals used in tanning leatheramazon.com has been visited by 1M+ users in the past month
Search results
Results from the WOW.Com Content Network
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 ...
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”.
Vegetable tannins are estimated to be used for the production of 10–20% of the global leather production. [citation needed] The cost of the final product depends on the method used to extract the tannins, in particular the use of solvents, alkali and other chemicals used (for instance glycerin). For large quantities, the most cost-effective ...
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, and aquatic animals such as seals and alligators.
Chromium alum is used in the tanning of leather [1] as chromium(III) stabilizes the leather by cross linking the collagen fibers within the leather. [3] However, this application is obsolete because the simpler chromium(III) sulfate is preferred. [2] It was also used in gelatine emulsions in photographic film as hardener. [4]
Lignosulfonates are used in tanning leather, making concrete, drilling mud, drywall and so on. [14] Oxidation of lignosulfonates was used to produce vanillin (artificial vanilla), and this process is still used by one supplier (Borregaard, Norway) while all North American production by this route ceased in the 1990s. [15]
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)).
Potassium alum is commonly used in water purification, leather tanning, dyeing, [6] fireproof textiles, and baking powder as E number E522. It also has cosmetic uses as a deodorant, as an aftershave treatment and as a styptic for minor bleeding from shaving. [7] [8]
Ads
related to: chemicals used in tanning leatheramazon.com has been visited by 1M+ users in the past month