02 Feb '18, 4pm

Spray dyed indigo denim makes environmental gains

Spray dyed indigo denim makes environmental gains

Published on Friday, 02 February 2018 Spray dyed indigo denim makes environmental gains Written by John Mowbray Details (c) moreno soppelsa | Depositphotos Tweet SINGAPORE – A new way to dye denim in bulk using sprays instead of traditional dyebaths is currently being used by select textile mills in India, Turkey and Pakistan which it’s claimed could significantly reduce the environmental impact of jeans production worldwide. The original indigo spray dyeing process was first introduced at ITMA Milan 2015 by DyStar and German textile machine builder RotaSpray, but at that stage it wasn’t scalable for dyehouses at large denim mills. Now though, the two companies say they have improved this ‘salt-less’ indigo dyeing technique – which also avoids the use of harsh chemical reducing agents – to ramp up spray-dyed denim production capacities. “ On our first trials and on the bul...

Full article: https://www.ecotextile.com/2018020223237/dyes-chemicals-n...

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