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EN ISO 877-3:2026

Plastics - Methods of exposure to solar radiation - Part 3: Intensified weathering using concentrated solar radiation (ISO 877-3:2026)

Edition date: 2026-05-27
In Force
Available languages: French, English
Summary: This document specifies a method for exposing plastics to concentrated solar radiation using reflecting concentrators to accelerate the weathering processes. The purpose is to assess property changes produced after specified stages of such exposures. The reflecting concentrators used in these exposures are sometimes referred to as “Fresnel reflectors” because, in cross-section, the array of mirrors used to concentrate the solar radiation resembles the cross-section of a Fresnel lens. General guidance concerning the scope of the ISO 877 series is given in ISO 877-1. NOTE            Additional information about solar concentrating exposures, including a partial list of standards in which they are specified, is given in the Bibliography.

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. Des lignes directrices générales relatives au domaine d’application de la série ISO 877 sont données dans l’ISO 877-1. NOTE            Des informations supplémentaires concernant les essais d’exposition à un rayonnement solaire concentré, y compris une liste partielle des normes dans lesquelles ils sont spécifiés, sont données dans la Bibliographie.

Dieses Dokument legt ein Verfahren für die Beanspruchung von Kunststoffen mit gebündelter Sonnenstrahlung unter Verwendung von Sammelspiegeln zur Beschleunigung der Bewitterungsvorgänge fest. Das Ziel ist es, die Eigenschaftsänderungen, die nach bestimmten Stufen derartiger Beanspruchungen eintreten, zu beurteilen. Die bei diesen Beanspruchungen verwendeten Sammelspiegel werden mitunter als „Fresnel-Sammelspiegel“ bezeichnet, weil der Querschnitt der Spiegelanordnung, die zur Bündelung der Sonnenstrahlung angewendet wird, dem Querschnitt einer Fresnel-Linse ähnelt. Eine allgemeine Anleitung, die den Anwendungsbereich der Normenreihe ISO 877 betrifft, ist in ISO 877 1 angegeben. ANMERKUNG In den Literaturhinweisen werden zusätzliche Informationen zu Beanspruchungen mit gebündelter Sonnenstrahlung einschließlich einer Teilliste von Normen, in denen diese festgelegt sind, gegeben.
ICS: 83.080.01-Plastics in general
CTN: CEN/TC 249 - 6230

Otras Relaciones

Acuerdo de Viena ISO 877-3:2026

Reemplazo Normas

Reemplaza a EN ISO 877-3:2018

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