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Lanasol Dyes - getting the most out of wool

31
May '10
Recently conducted industrial scale tests prove that Huntsman Textile Effects' sustainable LANASOL CE dye range outclasses traditional chrome dyeing for wool across the board. Chrome dyes, which used to be the standard for wool dyeing, have been subject to scrutiny because of the use of heavymetal mordants which are potentially detrimental to human health and the environment.

However, the change must be backed by clear economic or quality benefits. These concerns have now been clearly laid to rest as LANASOL CE dye range achieve the same shades and same high fastness ratings as chrome dyes and in addition they inhibit chemical damage during dyeing and preserve the qualities of the ecru fiber.

One of the largest worsted mills in the world compared their chrome process with Huntsman's LANASOL dyeing process. 2 tons of wool were split, one half was dyed with Chrome Black and the other half was dyed with LANASOL Black dyes. Both batches were spun with the same parameters.

Throughout the processing data were collected at every step and compared in-house as well as by an independent institute.

• Shade and Depth – LANASOL dyes delivered the same quality as chrome dyes
• Backwashing & Drying – Much higher bulkiness in wool dyed with LANASOL dyes at lower energy expenditure
• Fiber length after processing – Wool dyed with LANASOL dyes produced far superior average fiber length for finer high quality yarns
• Significant savings in spinning – thanks to higher quality yarns, wool dyed with LANASOL dyes is less fragile, produces less waste and greater machine efficiency. In short, more efficient production from fiber to fabric for higher profits.

For a safer and more prosperous future
As the tests prove, LANASOL CE dyes meet all the criteria that chrome dyes promised but outclass their performance in all other areas. Fastness levels are reached with a simpler and easier dyeing process and the exclusive qualities of crimp and bulkiness of the material are unimpaired for finished fabrics that are more pleasant, have a soft handle, more natural luster and a smoother surface.

Huntsman


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