© Marek Kruszewski

Quality Assessment


The “Quality Assessment” department focuses on projects concerning formaldehyde testing methods as well as bonding, bonded joints and adhesives for products using and made from renewable raw materials. Within an interdisciplinary team, we develop solutions for and with customers from, amongst others, the forestry and timber, construction, furniture and chemical industries

In certified further training courses at our WKI | AKADEMIE®, we make available the expertise which we have gained from the contact to manufacturers and through our research work. Our department is furthermore internationally recognized as a testing, monitoring and certification body and is therefore a competent contact partner for all questions relating to TMC.



News / 29.1.2019

E [D2020]

On 26th November 2018, the new testing specifications for wood-based materials with regard to formaldehyde for fulfillment of the Prohibited Chemicals Ordinance (ChemVerbotsV) were published in the Bundesanzeiger (German Federal Gazette). On the basis of the forthcoming specifications, the Fraunhofer WKI is now offering the certification procedure “E [D2020]”.


Press release / 24.10.2017

Fraunhofer WKI accredited as inspection body for adhesives for load-bearing timber components

The Fraunhofer Institute for Wood Research, Wilhelm-Klauditz-Institut WKI in Braunschweig has been officially recognized since 11.10.2017 in accordance with the PÜZ Index (TMC Index), Edition 2017 - Part II a, Seq. No. 3.3/4.

Research Focuses


Formaldehyde Testing Methods

We do not only test products regarding formaldehyde – we also apply our years of experience to further develop the testing procedures.


Gluing, Bonding and Adhesives

We develop and optimize adhesive systems for the production of wood-based materials and for wooden construction.


Current research projects

Here you will find details of selected research projects.




With the WKI | AKADEMIE®, we offer you a professional and career-concurrent advanced training format.

Focus Courses

Bonding in wooden construction:
11th to 15th November 2019


Quality control in the production of wood-based materials:
18th to 22nd November 2019


12th European Wood-based Panel Symposium

October 12 to 14, 2022


Testing, Monitoring and Certification (TMC)


TMC | Testing

We perform accredited tests concerning the release of formaldehyde as well as regarding the surface and mechanical properties of wood, wood-based materials and products produced therefrom. We also test adhesives and bondings for wooden construction.


TMC | Monitoring

We verify the compliance of your in-house production control with the standards requirements for the European, American and Japanese markets.


TMC | Certification

We certify building products in accordance with the Construction Products Regulation. Furthermore, we also certify wood-based materials regarding formaldehyde in Europe, America and Japan.