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New Oeko-Tex list of criteria comes into force

05
Apr '07
Eschborn (hm) On 1 April 2007, following a three-month transitional period, the new criteria for the Oeko-Tex Standard 100 which have applied since the start of the year became mandatory. This means that, as of now, the dye Disperse Orange 149 cannot be included in any certification process, because it contains the legally banned 4-aminoazobenzene.

In addition, the Oeko-Tex laboratory tests for carcinogenic arylamines will be extended to include analysing un-dyed polyurethane materials, because in the past test results have proved positive for free carcinogenic amines which could definitely be attributed to certain qualities of PUR.

The rules on the use of phthalates have also been tightened. Limit values for the three particularly problematic softeners DEHP, DBP and BBP have now also been set for textiles worn close to the skin in Product Class II. Legislation in 2006 banned these three substances from all baby toys, regardless of whether they were intended to be put in the mouth or not. The phthalates DINP, DNOP and DIDP remain within the scope of testing for Product Class I.

Special softeners which have been scientifically proven to be problematic in long-term use are, admittedly, only present at significant levels in very few clothing articles, but extending the ban to Product Class II is a proactive measure that promises manufacturers, retailers and end users greater product safety.

In the manufacture of "slipper socks", for example, there are phthalates in the textured sole that prevents the wearer from slipping when walking around with no shoes on. Another area of use is in certain textile printing techniques such as plastisol printing, used when making printed T-shirts.

Under the latest certification procedures for Oeko-Tex Standard 100, production companies must stop using the banned softeners as of now, and use substitute products such as those based on silicon.

Oeko-Tex Association


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