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Vegetable and Chrome
Tanning
Vegetable Tanning |
This is the most ancient of tanning processes. The skins are suspended in 15 feet deep pits with vegetable extracts (such as tan liquors made from bark extracts). This process usually takes a few weeks but it ensures a near perfect tannage (which is a bonus for especially heavy hides). The end result is a tougher and more solid skin, which can then withstand a more rigors of some of the heavier tanning processes
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Chrome Tanning |
This technique was successfully developed in 1884. It consists of soaking the hides in a strong solution of alum and salt to make the leather white. The leather becomes softer with good tear strength and other technical properties. Once the leather has been chrome tanned, it then acquires a bluey-grey colour. The skins in this state are then known as wet blue. Although tanning methods have changed with new technologies, the end result is a product that has been valued for centuries. The appeal of leather is such that people are always looking for new ways of using it. Innovation in tanning procedures are continually coming to light however, the above two tanning processes will always be the heart of the skins tanning process |
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