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Dyes for leather with increased lightfastness

New processes and products for coloring the skin with a higher light fastness

The project has studied the use of new systems of staining of the skins to be used in one or more stages of wet machining and / or finishing , in order to increase the performance relative to the degradation caused by exposure to light.

This feature is increasingly in demand by the market for use of leathers in high fashion.


The project has evaluated the use of nanoparticles based on metal oxides such as filters "UV", that is capable of performing an action of protective shield to irradiation.


Identification of the nanoparticles more performing and development of their use , in one or more stages of treatment of the leather , is in a mixture with pigments, either as the last protective layer in a finishing treatments.


  • ARCHA Srl
  • Tanning company