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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.
[1] [2]: 11 Before modern combination tanning, latigo had been combination tanned with alum and gambier. [3] Latigo is usually infused with oils and waxes. Techniques such as hot-stuffing, wet-stuffing, and fat liquoring have been devised to increase the amount of oil and wax the hide can hold. [4]
Chrome alum or Chromium(III) potassium sulfate is the potassium double sulfate of chromium. Its chemical formula is KCr(SO 4) 2 and it is commonly found in its dodecahydrate form as KCr(SO 4) 2 ·12(H 2 O). It is used in leather tanning. [1]
Alum leather is transformed using aluminium salts mixed with a variety of binders and protein sources, such as flour and egg yolk. Alum leather is not actually tanned; rather the process is called "tawing", and the resulting material reverts to rawhide if soaked in water long enough to remove the alum salts.
The summer too, depending on your preferred method of tanning! The best and safest way. Us Weekly has affiliate partnerships so we may receive compensation for some links to products and services ...
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.
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Crystal of potassium alum, KAl(SO 4) 2 ·12H 2 O. An alum (/ ˈ æ l ə m /) is a type of chemical compound, usually a hydrated double sulfate salt of aluminium with the general formula X Al(SO 4) 2 ·12 H 2 O, such that X is a monovalent cation such as potassium or ammonium. [1] By itself, "alum" often refers to potassium alum, with the ...