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Morocco leather (also known as Levant, the French Maroquin, Turkey, [1] or German Saffian from Safi, a Moroccan town famous for leather) is a vegetable-tanned leather known for its softness, pliability, and ability to take color.
The use of vegetable tanning is a process that takes longer than mineral tanning when converting rawhides into leather. Mineral tanned leather is used principally for shoes, car seats, and upholstery in homes (sofas, etc.). Vegetable tanned leather is used in leather crafting and in making small leather items, such as wallets, handbags and clothes.
When the tanner judged that the leather was sufficiently tanned, the skins were removed, rinsed, and smoothed with a knife before being slowly dried in a dark space. At that point, the leather was dried and sold to a currier for additional processing. [4]
Vegetable-tanned leather is tanned using tannins extracted from vegetable matter, such as tree bark prepared in bark mills. It is the oldest known method. It is the oldest known method. It is supple and light brown in color, with the exact shade depending on the mix of materials and the color of the skin.
Leather bindings exhibiting red rot. Red rot is a degradation process found in vegetable-tanned leather. [1] Red rot is caused by prolonged storage or exposure to high relative humidity, environmental pollution, and high temperature. In particular, red rot occurs at pH values of 4.2 to 4.5.
splitting - the leather is split into one or more horizontal layers. shaving - the leather is thinned using a machine which cuts leather fibres off. 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.
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The Leather Standard (introduced 2017) is a system of testing methods, testing criteria and limit values for harmful substances used by the Oeko-Tex member institutes to globally certify the human-ecological safety of leather products: semi-finished leather materials ("Wet blue" – chrome-tanned hides, "Wet white" – vegetable tanned hides ...
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