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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) EN ISO 7668:2021

Publication date:   Feb 17, 2022

General information

60.60 Standard published   Sep 1, 2021

CEN

CEN/TC 132 Aluminium and aluminium alloys

European Norm

25.220.20   Surface treatment

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Scope

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.

Life cycle

PREVIOUSLY

WITHDRAWN
EN ISO 7668:2018

NOW

PUBLISHED
EN ISO 7668:2021
60.60 Standard published
Sep 1, 2021