Testing
The test methods to be used for the Oeko-Tex® tests for harmful substances by the authorised member institutes are summarised in the normative document "Oeko-Tex® Standard 200 – testing procedures".
The laboratory tests currently comprise around 100 test parameters and are based on international test standards and other recognised testing procedures. These also include simulation tests, which take into account all possible ways by which harmful substances could be absorbed into the human body (orally, via the skin, by inhalation).
The tests involved on a textile depend on the chemicals used at each stage of processing which result in a qualitative change to the textile. The scope of the human ecological requirements is based on the intended use of the textile. In principle, the more intensively a textile comes into contact with the skin, the stricter the limit values it must fulfil.
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