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Archroma indigo Dyes is a Eco-friendly dyes. Compared with traditional dyes, it can save 92% of water, and waste water can be recycled. Traditional dyeing requires 10-12 dyeing boxes, while Archroma Denim-Ox only needs 4 dyeing boxes, which can save a lot of water.
Archroma's new aniline-free* indigo dye, Denisol® Pure Indigo 30 liq, reduces risk when producing the traditional, iconic indigo blue that consumers associate with denim and jeans.
During production, some of the aniline stays locked into the indigo pigment and is difficult to wash off the fabric. The remainder of the aniline impurity, approximately 300 metric tons, is discharged during dyeing. This can be an issue as aniline is toxic to aquatic life. In addition, exposure levels to factory workers can be high.
The toxic chemical is therefore starting to feature on the restricted substance lists (RSL) of some major clothing brands and retailers.