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neutralisation - the pH of the leather is adjusted to a value between 4.5 and 6.5. retanning - additional tanning agents are added to impart properties. dyeing - the leather is coloured. fatliquoring - fats/oils and waxes are fixed to the leather fibres. filling - heavy/dense chemicals that make the leather harder and heavier are added.
Leather making has been practiced for more than 7,000 years and the leading producers of leather today are China and India. [1] [2] [3] Critics of tanneries claim that they engage in unsustainable practices that pose health hazards to the people and the environment near them. [4]
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 ...
Ostrich leather is the result of tanning skins taken from African ostriches farmed for their feathers, skin and meat. The leather is distinctive for its pattern of vacant quill follicles , forming bumps ranged across a smooth field in varying densities.
It was used to make boots, shoes, saddles and other products. Despite the first use being recorded in the 1800, alligator skin production increased majorly during the mid-1800s. During the American Civil War in 1861, saddles and boots were made for the Confederate troops. This led to alligator leather rising to the top of choice for leather ...
Image credits: nflodin #6 My Shoes Crumbled Into Literal Powder On My Way To Work. Swipe through the pictures for reverse disintegration I guess. For context, these were relatively cheap off brand ...
Hiking expert Susan Alcorn hikes to this day at age 84, and she explains there are extra factors older hikers should consider, such as making sure they have the right fit for their feet ...
In modern leather preservation, the original surface coating may be stripped completely off to provide a uniform replacement finish. This method is not advised for historical pieces, but is appropriate for reproductions and modern leather works, as they may prolong the life of the material without compromising the historical value or integrity. [9]