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CHT Group – Innovative approach of PFC-free anti-wick finishing on threads and yarns

Water-repellent, durable and sustainably processed threads and yarns and threads set trends: With the development of ECOPERL YWR, the CHT Group enables you to achieve a PFC-free anti-wick effect on your yarn to meet the highest demands.

Chemistry powered by renewable natural performance

Source of the image from getty images

The known chemistry bases for durable water-repellent auxiliaries such as waxes, polyethylene, kinds of paraffin, silicones and polyurethanes are working well but especially on yarns, higher resistance to mechanical friction is required. Therefore, in the development phase different bio-based polymers were tested which significantly increase the abrasion resistance of the durable water repellent.

The best performed and selected bio-based and renewable polymer have been tuned in a matrix of waxes and further polymers.

The results are convincing: ECOPERL YWR is excellent for stopping water absorption, is versatile and highly resistant to the friction generated during sewing, knitting and weaving processes.

Key characteristics of development: biodegradability, renewable raw material, compliance with the requirements of the main textile labels and no cytotoxicity

ECOPERL YWR stands for sustainable product development and provides excellent inherent biodegradability.

With a focus on the environment, ECOPERL YWR fulfills the criteria of known standards such as ZDHC, bluesign®, STANDARD 100 by OEKO-TEX®. GOTS 6.0 and C2C have been requested.

The product was successfully tested according to DIN EN ISO 10993, i.e. no cytotoxic substances are released by it. Tests for a used on hygienic textile articles are being in progress.

Sustainable features of ECOPERL YWR


Versatile application fields and additional strength

ECOPERL YWR can be applied on yarn dyeing machines or even in lick-roller applications or dosing systems during the winding process.


A further strength of ECOPERL YWR compared with PFC containing product, which was formerly used is the significantly better coefficient of friction. PFC-containing products generally deteriorate the coefficient of friction values.

For natural and synthetic threads and yarns

Hydrophobic threads and yarns have a multifarious use such as sewing and embroidery threads for shoes, tents, bags and backpacks. Furthermore, on laces, cords and ropes hydrophobic treatment must be resistant against frequent friction and ensure a good anti-wick and hydrophobicity behavior.

Anti-wick test with additional friction according to the Gore test method

Test method    Wicking (according to Gore test method)


Braiding or weaving yarns for narrow fabric, belts, or any other woven article for technical textiles make the highest demands on the hydrophobicity performance. These demands can be met by our latest development ECOPERL YWR.

If we have a look at utensils like zippers for tents, the waterproofness of the zipper will be enhanced by the DWR finish.

Yarn construction: Twisting of yarn with a hydrophilic and hydrophobic treatment supplied perfect moisture management performance on subsequently produced knitted and woven fabric.

Just some inspirations for using our ECOPERL YWR for your next innovative development.

Overview of the proven characteristics

Water absorption stop Excellent anti-wick effect with perfect resistance to mechanical friction
Water-repellent Durable water-repellent tested up to 25 HL (tested according to ASTM E 3162-18)
Application Applicable on yarn dyeing machines, lick-roller or dosing systems during winding
If anyone has any feedback or input regarding the published news, please contact: info@textiletoday.com.bd

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