Center National for Evaluation of Photoprotection
Bridge between research and industries
offers and skills on polymers
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studies by years

Each year, the CNEP conducts about 500 studies in relation with national and international companies, many of which are located outside France.

Durability of polymer materials formulated under light or thermal stress.

Photochemical, thermal, hydrolytic aging …

Lifetime prediction for indoor or outdoor use

Chemical analyzes of formulations

Measurements of anti-UV, antioxidant additive levels, pigments rate, fillers

Determination of thicknesses and compositions of multilayer films, of finished film packaging

Evaluation of collages, crosslinking of paints


Determination of oxidation degrees at the surface and at the core of the material by measurements of chemical evolution profile

Detection of damage visually or chemically allowing the understanding of phenomena and support for the resolution of detected problems


Expert and scientific expert with insurance companies, courts for any request for chemical damage expertise

Advices and training

On the strength of its Studies and Research, CNEP, in partnership with Laboratories, provides Knowledge Sharing days for members of Companies interested in the Durability of Polymer-based Materials.

Standards and specifications

Thanks to its numerous achievements and studies, CNEP is able to make a decisive contribution in the creation of standards for formulated polymer materials and their uses.
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Summer break

The CNEP will be in very reduced activity from August 10 to 15, 2020, contact us preferably after this period.
Thank you

La certification ISO 9001 - 2015

L'ISO 9001:2015 spécifie les exigences relatives au système de management de la qualité lorsqu'un organisme:

a) doit démontrer son aptitude à fournir constamment des produits et des services conformes aux exigences des clients et aux exigences légales et réglementaires applicables, et

b) vise à accroître la satisfaction de ses clients par l'application efficace du système, y compris les processus pour l'amélioration du système et l'assurance de la conformité aux exigences des clients et aux exigences légales et réglementaires applicables.

Toutes les exigences de l'ISO 9001:2015 sont génériques et prévues pour s'appliquer à tout organisme, quels que soient son type ou sa taille, ou les produits et services qu'il fournit.

Obtenir la certification ISO 9001:2015, c’est s’appuyer sur 8 principes de management :
• l’orientation client ;
• l’implication du personnel ;
• l’approche processus ;
• l’amélioration continue ;
• la gestion par approche système ;
• le leadership ;
• la prise de décision fondée sur des preuves ;
• le management des relations avec les parties intéressées.