Independent material testing​

Our accredited test areas according to DIN EN ISO/IEC 17025:2018

We assist, advise and test. Try us out!

Accredited according to:
DIN EN ISO/IEC 17025:2018
Free advice
Free quote preparation for individual requirements
Qualitative risk assessment
CTL® manages your test samples for at least 5 years - free of charge
0 +
Years active
1000 +
200000 +
modeschmuck Materialpruefungen2
Chemical-Technological Laboratory

✓ Textile & Clothing
✓Chemistry ✓ Costume jewellery ✓ Textile accessories ✓ Suitcases and much more.

tattoo materialpruefungen

We investigate for:
✓ Aromatic amines ✓ Metals
✓ Colours that cause allergies or are known to be carcinogenic

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✓ Insulation material ✓ Seat covers
✓ Imitation leather ✓ Fittings
✓ Side trim etc.

weitere bereiche materialpruefungen

As a certified testing laboratory, we offer a comprehensive range of tests and individual advice for a wide variety of areas and product groups.

moebel laboratorium 2

✓ Seal of quality for upholstery fabrics and decorative fabrics
✓Physical-technological tests

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Do you have any questions?
Customer Service



Frequently asked questions

We check a wide range of parameters in our technical and analytical laboratory. For a small insight, please have a look here…

For a detailed list of all tests, please request our test catalogue. Contact us…

We mainly test textiles from the clothing, toy, home textile, furniture and automotive sectors. In these areas, we also check the packaging, inserts and care labels. Jewellery and also belongs to our range to be tested.

Furthermore, we are the leading laboratory for the examination of tattoo and permanent make-up colours.

For examples please have a look here.

We are also happy to refer you to partner laboratories if we are unable to test your item here.

Our turnaround time is usually 10 working days. However, different examinations may need more or less, as the examination as such is more or less time-consuming. There is also the possibility of placing an express order for a 50% surcharge. We will then process this order within 3 days. However, this depends on the feasibility. Please discuss this with your contact person.

For a quotation, please contact the secretariat, which will then forward you to the responsible person. For an overview of our prices, please request our price overview.

With your help, we go back to the beginning of the production of your goods. We try to exclude or analyse possible defects. We make risk assessments and recommendations to prevent damage.

We will be happy to advise you on which inspection makes sense for your item. This cannot be said as a general rule, but depends on various factors, such as in which country or with which supplier the item is to be sold.

Why you should choose us

Company philosophy

Quality has always been our top priority and just one year after its foundation, CTL® was certified according to the international standard ISO 9001. This was an important step for our many customers at home and abroad, but also shows an essential aspect of our company philosophy.

  • Since 2004, we have been accredited according to the international standard DIN EN ISO 17025:2005.
  • Since 2020, we have also been accredited according to the new DIN EN ISO 17025:2018.