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EVS-EN ISO 7668:2021

Anodizing of aluminium and its alloys - Measurement of specular reflectance and specular gloss of anodic oxidation coatings at angles of 20°, 45°, 60° or 85° (ISO 7668:2021)

General information
Valid from 16.09.2021
Base Documents
ISO 7668:2021; EN ISO 7668:2021
Directives or regulations
None
Standard history
Status
Date
Type
Name
16.09.2021
Main
02.04.2018
Main
This document specifies methods for the measurement of specular reflectance and specular gloss of flat samples of anodized aluminium using geometries of 20° (Method A), 45° (Method B), 60° (Method C) and 85° (Method D) and of specular reflectance by an additional 45° method (Method E) employing a narrow acceptance angle. The methods described are intended mainly for use with clear anodized surfaces. They can be used with colour-anodized aluminium, but only with similar colours.
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