There are no adverse effects on the fibres, finished products or the environment. This means superior product performance, efficiencies in production and the potential to save significant energy and overhead costs in dyeing. It’s why we believe there simply isn’t a more sustainable and innovative fibre on the planet.
Glacial XT™ works by removing the natural creaminess in the fibres, giving a major lift in both brightness (Y-value) and whiteness (Y-Z value).
“Wool is a mainstay of our production. It ticks all the boxes for look, feel, sustainability and wearability. This new development from Wools of New Zealand is great news because the new colour options of bright white as well as being able to dye more loyal colours open up lots of new design possibilities,” - Esti Barnes, founder and Creative Head of Topfloor by Esti.Top Floor by Esti
Ability to produce a new super-bright, white wool
Improves consistency of wool colour irrespective of seasonal climatic effect
Results in exceptionally clean wool - very low in ash content, residual grease and with enhanced lustre and brightness
As illustrated below, with average colour greasy inputs and Glacial XT significantly brighter than conventionally scoured wool (Y-value 70.6 vs 64.4) and significantly whiter (Y-Z 0.2 vs 3.6). With good colour greasy input, wools Y values in excess of 73 and Y-Z of -3+ are achievable
A cleaner, more consistent fibre results in benefits throughout processing and into the finished product:
Increased dyehouse efficiencies due to greater consistency and levelness in wool deliveries
Greater colour stability especially in undyed / ecru yarn
Improved colour matching for dyers
Improved dye-uptake resulting in greater depth of colour and design clarity
Enhanced colour saturation compared with conventional-scoured wool
Increased Blind Dye Rate: this reduces the amount of re-dying required, which contributes to a significant reduction in the cost of labour, energy, water and plant utilisation
A cleaner, brighter, whiter fibre opens up unique opportunities for designers and product innovators:
Delivers improved base fibre for natural and dyed textiles
Enhanced opportunities in printed wool carpets due to a more uniform, clean, bright, white substrate
Enhanced visual effects in berber and heather carpets due to elevated contrast between dyed and undyed components
More dramatic aesthetics in dyed and undyed textiles due to elevated brightness
Improved colour stability due to the removal of the yellow chromophores in the fibre, particularly in light shades
Improved depth of shade and clarity of colour, particularly in dark shades
This lift in wool colour achieved by the Glacial XT process does not come at the expense of fibre integrity. Alkaline Solubility illustrates the degree of chemical damage to the fibre through the scouring process (see Fig 2).
The result for Glacial XT is similar to conventionally scoured wool and is well within acceptable commercial levels. The standard industry practice for achieving colour improvements in conventional scouring is to use peroxide bleach which results in elevated levels of fibre damage (higher wool solubility percentage) and downstream colour instability.
The scouring and subsequent processing of Glacial XT wool poses no adverse health and safety or environmental implications.