ISO 11983:2025
(Main)Road vehicles — Safety glazing materials — Test methods for electro-switchable glazing
Road vehicles — Safety glazing materials — Test methods for electro-switchable glazing
This document provides the test methods for regular luminous transmittance, switching time, haze, insulation resistance, humidity resistance, low temperature resistance, colour uniformity, switching cycles and radiation durability for electro-switchable glazing used on road vehicles. This document applies to switchable glazing in response to applied voltage or current.
Véhicules routiers — Vitrages de sécurité — Méthodes d'essai pour vitrages électro-commutables
General Information
Standards Content (Sample)
International
Standard
ISO 11983
First edition
Road vehicles — Safety glazing
2025-01
materials — Test methods for
electro-switchable glazing
Véhicules routiers — Vitrages de sécurité — Méthodes d'essai
pour vitrages électro-commutables
Reference number
© ISO 2025
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Published in Switzerland
ii
Contents Page
Foreword .v
Introduction .vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Test methods . 2
4.1 Ambient conditions.2
4.2 Regular luminous transmittance .2
4.2.1 Purpose of test .2
4.2.2 Apparatus .2
4.2.3 Measuring state .2
4.2.4 Device under test .2
4.2.5 Procedure .3
4.2.6 Expression of results .3
4.3 Switching time .3
4.3.1 Purpose of test .3
4.3.2 Apparatus .3
4.3.3 Device under test .3
4.3.4 Procedure .3
4.3.5 Expression of results .5
4.4 Haze .5
4.4.1 Purpose of test .5
4.4.2 Apparatus .5
4.4.3 Measuring state .5
4.4.4 Device under test .5
4.4.5 Procedure .5
4.4.6 Expression of results .5
4.5 Insulation resistance.5
4.5.1 Purpose of test .5
4.5.2 Apparatus .5
4.5.3 Device under test .6
4.5.4 Procedure .6
4.5.5 Expression of results .7
4.6 Humidity resistance .7
4.6.1 Purpose of test .7
4.6.2 Apparatus .8
4.6.3 Device under test .8
4.6.4 Procedure .8
4.6.5 Expression of results .8
4.7 Low temperature resistance .8
4.7.1 Purpose of test .8
4.7.2 Apparatus .9
4.7.3 Device under test .9
4.7.4 Procedure .9
4.7.5 Expression of results .9
4.8 Colour uniformity .9
4.8.1 Purpose of test .9
4.8.2 Apparatus .9
4.8.3 Device under test .9
4.8.4 Measuring state .10
4.8.5 Procedure .10
4.8.6 Expression of results .10
4.9 Switching cycles .11
4.9.1 Purpose of test .11
iii
4.9.2 Apparatus .11
4.9.3 Device under test .11
4.9.4 Procedure . 12
4.9.5 Expression of results . 12
4.10 Radiation durability . . 12
4.10.1 Purpose of test . 12
4.10.2 Apparatus . 12
4.10.3 Device under test . 13
4.10.4 Procedure . 13
4.10.5 Expression of results . 13
Annex A (informative) Introduction to different principles of electro-switchable glazing . 14
iv
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out through
ISO technical committees. Each member body interested in a subject for which a t
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