ISO/TR 18486:2018

Plastics — Parameters comparing the spectral irradiance of a laboratory light source for weathering applications to a reference solar spectral irradiance

This document specifies a calculation method which allows calculating a parameter which compares the spectral irradiance of a laboratory radiation source for weathering application to a reference solar spectral irradiance.

Plastiques — Paramètres de comparaison de la distribution spectrale d'une source de lumière de laboratoire pour les applications de vieillissement et d'une distribution spectrale solaire de référence

General Information

• Status: Published
• Publication Date: 25-Nov-2018
• ICS: 83.080.01 - Plastics in general
• Technical Committee: ISO/TC 61/SC 6 - Ageing, chemical and environmental resistance
• Drafting Committee: ISO/TC 61/SC 6/WG 2 - Exposure to light
• Current Stage: 9020 - International Standard under periodical review
• Start Date: 15-Jan-2024
• Completion Date: 15-Jan-2024

Relations

• Revises: ISO/TR 18486:2016 - Plastics — Parameters comparing the spectral irradiance of a laboratory light source for weathering applications to a reference solar spectral irradiance
• Effective Date: 07-Oct-2017

Standards Content (Sample)

TECHNICAL ISO/TR
REPORT 18486
Second edition
2018-12
Plastics — Parameters comparing the
spectral irradiance of a laboratory
light source for weathering
applications to a reference solar
spectral irradiance
Plastiques — Paramètres de comparaison de la distribution spectrale
d'une source de lumière de laboratoire pour les applications de
vieillissement et d'une distribution spectrale solaire de référence
Reference number
ISO/TR 18486:2018(E)
©
ISO 2018

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ISO/TR 18486:2018(E)

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ii © ISO 2018 – All rights reserved

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ISO/TR 18486:2018(E)

Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Symbols . 1
5 Significance . 2
6 Requirements . 2
7 Calculation methods . 2
7.1 Characterizing parameter for a wavelength range . 2
7.1.1 Choice of the wavelength range . 2
7.1.2 Scaling condition . 3
7.1.3 Characterizing parameter f for a wavelength range . 4
λ1-λ2
7.2 Characterizing parameter for a known action spectrum . 4
7.2.1 Choice of the wavelength range with action spectrum . 4
7.2.2 Scaling condition with action spectrum . 4
7.2.3 Characterizing parameter f with action spectrum . 5
s(λ)1-s(λ)2
Annex A (informative) Examples for parameters of some commercially available solar
simulators . 6
Bibliography .
...