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ISO 16474-4:2013

Paints and varnishes — Methods of exposure to laboratory light sources — Part 4: Open-flame carbon-arc lamps

Nov 6, 2013

General information

90.92     Jul 4, 2025

ISO

ISO/TC 35/SC 9

International Standard

87.040  

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Scope

ISO 16474-4:2013 specifies methods for exposing specimens to open-flame carbon-arc lamps in the presence of moisture to reproduce the weathering effects that occur when materials are exposed in actual end-use environments to daylight or to daylight filtered through window glass.
The specimens are exposed to filtered open-flame carbon-arc light under controlled conditions (temperature, humidity and/or wetting). Different types of filters are used to simulate either direct exposure to the environment or exposure through window glass.
Specimen preparation and evaluation of the results are covered in other International Standards for specific materials.
General guidance is given in ISO 16474‑1. Open-flame carbon-arc exposures for plastics are described in ISO 4892‑4.

Life cycle

NOW

PUBLISHED
ISO 16474-4:2013
90.92 Standard to be revised
Jul 4, 2025

REVISED BY

PROJECT
ISO/CD 16474-4