Archroma launches metal-free and halogen-free dyes for sportswear

The new dyes have been introduced to Archroma’s Nylosan S range, with the Swiss firm noting that dark shades account for around 80% of the outdoor textile and sportswear market, which is also under pressure to offer more durable items.

New Nylosan Navy S-3R and Black S-3N, specially developed by Archroma for polyamides and blends, display the same color consistency as colorants used in many leading color standards, and are REACH registered, Bluesign approved and at the ZDHC level. 3 compliant.

As most sportswear manufacturers and brands know, creating long-lasting dark colors on nylon is a complex process that uses large amounts of water and energy, Archroma explains.

The company therefore designed the new Consciously Deep system to enable a highly efficient wash-out dyeing process reduced from six to two baths.

This is said to result in a reduction in processing time of up to 36%, water consumption of up to 64%, energy of up to 46% and CO2 emissions of up to 41%. compared to the conventional reference process.

“Innovation is a key enabler of the Archroma Way towards a sustainable world,” says Mark Dohmen, head of the synthetic competence center. “With the Consciously Deep system based on the new Nylosan S navy and black colors, we are combining all three: safer ingredients free of metals and halogens, a more efficient process with less water, energy and greenhouse gases. greenhouse, and increased value with a more desirable and durable item.

Last month, Archroma launched a new vegan fabric softener with one-third plant-based active content.

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