Thailand-based denim maker switches to aniline-free indigo dye - Home Textiles Today

Home Textiles Today Staff, January 15, 2019

Reinach, Switzerland – A Thailand-based denim manufacturer is the first to use Archroma’s aniline-free indigo solution for its dyeing process.

Absolute Denim, which produces up to 2 million meters of denim per month – the equivalent of 1.5 million pairs of jeans – is switching all of its production to aniline-free indigo dyeing using Archroma’s Denisol Pure Indigo 30 liquid dye.

During typical denim production, some of the aniline stays locked into the indigo pigment and is difficult to wash off the fabric. The remaining aniline impurity is discharged during dyeing. Aniline has been found to be toxic to aquatic life and is starting to be found on the restricted substance lists of some major clothing brands and retailers.

“At Archroma, we continuously challenge the status quo in the deep belief that we can make our industry sustainable,” said James Carnahan, head of sustainability.

He credited Absolute Denim for its part, calling the company “forward-thinking manufacturers.”

“Archroma’s aniline-free indigo project is something we as a new generation manufacturer have supported from the beginning, by opening our doors for tests in the project phase,” said Vichai Phromvanich, board member, “and now by sending out articles (of clothing) to many of our customers.”

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