Tightness during Post-tanning Obtaining a tight grain while maintaining all aesthetic and functional characteristics may be difficult enough, to reduce the rejection rate by a small percentage only may seem impossible. To achieve this, factors influencing grain tightness need to be understood. Improving on tightness, in most cases, means an increase in cutting yield and thus a higher profit. For this SmiTools 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 Softness Learn about the important aspects when making soft leather, the influence of wet-end 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. Biopol collection The Smit & Zoon company developed new range of Biopol products. These are based on the concept of the circular economy. Circular economy focuses on the utilization of renewable sources, waste streams reutilization or smart utilization of low(no)-value biomass side-streams minimizing product environmental footprint. Leather finishing Discover Stay informed Receive the latest company news and industry updates Subscribe Share this:
