NF EN ISO 877-3

Plastics — Methods of exposure to solar radiation — Part 3: Intensified weathering using concentrated solar radiation

Le présent document spécifie une méthode d''exposition des plastiques à un rayonnement solaire concentré à l''aide de concentrateurs réfléchissants pour accélérer le processus d''exposition aux intempéries. L''objectif consiste à évaluer les changements produits après des phases d''exposition spécifiées. Les concentrateurs réfléchissants utilisés dans ces essais d''exposition sont parfois désignés sous le nom de " miroirs de Fresnel " car, vu en coupe transversale, le jeu de miroirs utilisé pour concentrer le rayonnement solaire ressemble à la coupe transversale d''une lentille de Fresnel.

The Redline + service - standards comparator allows you to easily and simply identify major changes between the current standard and its last canceled version.

At a glance, you will be able to identify the additions, deletions or modifications to a text, table, figure and formula.


The Redlines + service is offered to you on the collection of French standards in force, in French language and in HTML and PDF format.

For an overview of the service, click on View a standard in redline format

- The UPSELL service allows you to easily update one of your standards.
- With a single click, add a new language, the Requirements or Redline+ service and add one or more additional users.
- Whether you are in the process of acquiring a standard or it is already available in your personal space, the UPSELL service is available at every stage to help you understand it and implement it within your organization.

COBAZ is the simple and effective solution to meet the normative needs related to your activity, in France and abroad.

Available by subscription, CObaz is THE modular solution to compose according to your needs today and tomorrow. Quickly discover CObaz!

Request your free, no-obligation live demo

I discover COBAZ