Catalogues and registration

Kunststoff-Institut Lüdenscheid

Your accredited provider of international proficiency tests in the plastics sector

The Kunststoff-Institut Lüdenscheid is a DIN ISO/IEC 17043 accredited provider of proficiency tests – founded in 1988, certified according to DIN EN ISO 9001 and since 2000 with an accredited test laboratory according to DIN EN ISO/IEC 17025 – focusing on the quality and efficiency of companies in the plastics industry. You can identify our proficiency assessments by the brand “Deutsches Institut für Ringversuche”. Our samples, our online portal and our reports are marked with the “DIR quality label”.



More than 100 specialists in material, process, tool, surface, process and testing technology work for you at the Kunststoff-Institut. Our employees have at their disposal a concentration of equipment for material, component and surface testing that is unique in Europe. The Kunststoff-Institut Lüdenscheid is one of the world’s largest providers of interlaboratory comparisons whose complete portfolio is located in plastics technology. We have been able to demonstrate our claim to offer our customers the highest quality, to continuously improve organisational structures and processes in order to become even more efficient through numerous certifications and awards such as the “Cluster Management Excellence Label GOLD”.



For more than 15 years, the Kunststoff-Institut Lüdenscheid has been an established provider of internationally frequented proficiency tests. Our proficiency tests are carried out according to the specifications of DIN ISO/IEC 17043 and supported by our laboratory accredited according to DIN ISO/IEC 17025. Direct access to plastics expertise, state-of-the-art production facilities and accredited material testing within the framework of our proficiency tests and reference materials is a unique global attribute of our institute. From the quality of our interlaboratory comparisons and reference materials you will also benefit. Our proficiency tests and reference materials cover a wide range of plastics, packaging, consumer goods tests and analyses. You can view our offer comfortably in our catalogue.