Dr Dietrich Tegtmeyer, head of Product Development & Application
at German chemicals supplier Lanxess’ Leather business unit, presented a new process for upgrading leathers with structural defects such as looseness at the IULTCS world conference in Washington, USA, on June 23.
The product, which will be launched under the name Levotan X-Cel, consists of a special polymer containing thermally expandable microcapsules which is added during the retanning process.

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