Việt Nam


  • Download and complete the ECO PASSPORT application (Choose from the languages below)
  • Include as much information as possible about your chemical compositions and formulations.
    This information is kept confidential and helps lower your testing cost.
  • For each formulation/product:
    • Complete a separate product dossier and substance list
    • Send Material Data Safety Sheet (MSDS)
    • Include a short description of your quality assurance or a quality management certificate

Submit completed and signed forms (from steps 1 and 2) to and

For new Hohenstein customers, please send a W9 form with company name and address that matches your application.

Product Samples

Provide at least 50 ml or 50 grams of each sample.

Protect the samples (packaging)

to ensure accurate and reproducible test results.
  • Test samples must be packed in unbreakable, airtight containers to avoid contamination during transport and between different samples
    • If the sample allows, it can be packaged in a tear-resistant, polyethylene bag and sealed twice with adhesive tape
    • Do NOT pack the test samples in cardboard boxes or paper
    • Do NOT use adhesive tape directly on the sample
    • Do NOT use packaging that contains any perfluorinated and/or polyfluorinated components
  • Each container/package must be packed in a second wrapping and taped shut

Label each sample

  • Samples must be properly labeled
    • For protection of human and environmental health according to the GHS requirements
    • For identification
  • Indicate production date and batch number on each product sample
    (sample numbers, material, supplier, receipts, etc.)

Label each shipment


  • Whether shipping from separate locations or in one box, please ensure all samples are clearly and correctly labeled so that they can be matched with your application
  • The testing lab is not responsible for any inaccuracies caused by contamination from improper packaging. We reserve the right to reject and request new samples.

Ship to Germany

Declare your samples as “Testing Samples” to avoid duties.

Clearly marked samples for testing should be sent directly to our lab in Boenningheim, Germany.

     Hohenstein Textile Testing Institute GmbH & Co. KG
     Schlosssteige 1
     74357 Boennigheim
     Phone: +49 7143 271-0

Please include our full and correct company name to minimize customs delays.

On-Site Visit verifies information provided in the ECO PASSPORT application and Self-Assessment.

Optional: To reach ZDHC level 3, the On-Site Visit includes additional chemical hazard assessment questions.

Please contact us for more information.

Next: Use your Label.

1. Promote your certification and comply with copyright
OEKO-TEX® Logo, "ECO PASSPORT", certification number and institute,
Ben Mead
Managing Director
Hohenstein Americas