繊維製品

繊維製品に有害な物質が含まれると、作業員や購入者の健康が脅かされます。FISCHERは、加工薬剤や染料に有害物質の残留物が繊維製品に存在しているかどうか高い精度で測定するため、信頼性の高い試験装置を提供しています。この装置を使うと、衣服が国際的なOEKO TEX規格100に準拠しているかどうか迅速かつ簡単に表示することができます。

繊維製品

アプリケーションノート

Analysis of harmful substances in textiles for Oeko-Tex® certification

In the textile industry, consumer protection plays an important role. Product labels, such as the Oeko-Tex® Standard 100, are an important mark of quality and often a decisive purchasing factor. But to qualify for this desirable certification, manufacturers must produce all components of their products according to the required criteria and ensure compliance with the prescribed limits.

When purchasing clothing many consumers look for textiles that have been tested for evidence of harmful substances. The product label "Confidence in Textiles - Tested for harmful substances according to Oeko-Tex® Standard 100" is an independent, globally uniform certification system for textiles of all kinds (more information: www.oeko-tex.com).

Oeko-Tex labelling

Fig.1: Oeko-Tex® labelling for textile products (source: Oeko-Tex®)

To be certified according to the Oeko-Tex® Standard 100, all parts of the article must meet the required criteria: for example, in clothing, besides the outer fabric, also sewing threads, zippers, buttons, rivets and other notions and appliqués. For precise analysis of pollutants such as Pb, Cd, Cu, Cr, Ni etc., the non-destructive X-ray fluorescence (XRF) method is ideal. Using this method, it is possible to detect even the smallest concentrations of prohibited or restricted substances in a sample.

The FISCHERSCOPE® X-RAY XDV®-SDD provides an extremely precise measuring system for determining even the slightest traces of banned substances. Fibres and fabrics, whole bobbins of thread or yarn, and even appliqués made of plastic, glass or metal can be checked quickly and easily.

Spools of thread in industrial textile production

Fig.2: Spools of thread in industrial textile production

The scope and requirements of Oeko-Tex® testing depend on the intended use of a textile product – the more intensive the skin contact, the stricter the limits. Correspondingly, there are four product classes:

I – Garments and toys for babies and kids under three

II – Fabrics worn directly against the skin

III – Fabrics with little or no direct skin contact

IV – Notions and other decorative materials

 

I

II

III

IV

Pb

90 ppm

90 ppm

90 ppm

90 ppm

Cd

50 ppm

100 ppm

100 ppm

100 ppm

Tab.1: Limits for all non-textile accessories and components as well as for solution-dyed fibres and products containing pigments

Using the FISCHERSCOPE® X-RAY XDV®-SDD, it is easy to test textiles and related components for minute traces of harmful substances in order to verify compliance with the international Oeko-Tex® Standard 100. For further information please contact your local FISCHER representative.

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Contact

Fischer Instruments K.K.
Saitama-ken/日本

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電話: (+81) 48 929 3455
Eメール: japan@helmutfischer.com
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