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Traditional techniques applied to fish skin: Tokushima indigo dyeing

Location: Hokkaido, Japan

The use of fish skin for the construction of garments is an ancient tradition shared by Arctic coastal societies, some of the earliest traces being found from the Ainu populations in Hokkaido, Japan.

The FISHSkin project has developed common interests in the UK and Japan around topics of fish skin, leather and sustainability. The project has brought together a community of experts including fashion design academics and practitioners, and artisan experts in natural dyes, with the aim of improving knowledge of sustainable methods for fish skin production as a greener alternative to exotic leather. The FISHSkin project has mapped existing traditional knowledge on natural dying from Japanese craftsmen in order to transfer the skills into fish skin.

During the trip Elisa Palomino worked with a traditional Japanese dyer at Tokushima and tested indigo dyeing on fish skin. The results were later tested on at Ars Tinctoria laboratory by Gustavo Defeo and Massimo Mancuso to evaluate the possible use in contemporary industrial dyeing for fish skin. The physical and rheological properties of the indigo and persimmon natural dye were measured for the evaluation of dye stability. The tests were found to be suitable. The samples were subjected to light and rub fastness tests and colour measurements. Colour consistency and fastness results, especially after fixation, are comparable with those on conventional leather. Fastness properties were analysed following updated ISO standards.


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