Skins vegetable-tanned

Oil-tanned chamois leather Alum-tawed skins Formaldehyde-tanned leather Aluminium-tanned skins Vegetable-tanned leather (hydrolysable) Vegetable-tanned leather (condensed) Chrome-tanned leather... 

It has been suggested that vegetable tanning developed from a desire to colour oil or alum-processed skins. Interestingly the earliest surviving recipes for the preparation of leather, dating from Babylonian times about 3000 years ago, show that a combination of these three processes were employed ... 

Further investigations, funded by the European Commission CRAFT programme, have also been undertaken to develop a leather with both the resistance to acidic atmospheric attack exhibited by mineral tanned leathers and the physical characteristics of vegetable-tanned skins demanded by book binders and other leather workers. As a result of this work, leathers with these properties are now available commercially. 

Deb J C, Prasad L M, Hore G N, De J M 1973 Manufacture of rapid vegetable tanned sheep and goat skin for leather goods. Leather Sci (Madras) 20 284-287... 

Ganesan A, Rao M V 1977 Vegetable tanning of Pujab wool sheep skins. Leather Sci (Madras) 24 144-146... 

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