Softness during post-tanning A leather’s softness is one of its most striking features and perhaps the property constituting its prominent initial appeal. Unknown to the purchaser is that this very particular appeal constitutes a delicate balancing act between the various processes and the way each individual step is taken. For this paper, the focus is on the influence of post-tanning processing. The various influences of the previous steps are too varied to discuss in a general way. Moreover, a lot of crust is made from wetblue of outside origin. Where it comes from and how it was made is not always known and the material available needs to be taken as a given fact. Retanning and fatliquoring processes need to be developed for the leathers available under consideration of their peculiarities. Learn more about this topic? Download whitepaper Interesting for you Discover more on Leather finishing Tightness Learn about the important aspects when making tight leather, the influence of post-tanning processes and which Smit & zoon products are most suitable for your optimal leather properties. What chemicals are used to tan leather? The most used chemical to tan leather is chromium III. Other chemicals used in tanning are aldehyde, vegetable tannins and zeolites. Bisphenols and the relation to leather Bisphenols is a topic of discussion in the leather industry, since the restriction proposal of The European Chemicals Agency. We explain the basics on bisphenols focusing on the leather industry. Leather finishing Discover Stay informed Receive the latest company news and industry updates Subscribe Share this:
