DIN EN ISO 7668:2018现行
Anodizing of aluminium and its alloys – Measurement of specular reflectance and specular gloss of anodic oxidation coatings at angles of 20 degrees, 45 degrees, 60 degrees or 85 degrees (ISO 7668:2018); English version EN ISO 7668:2018, English translation
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
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.
ISO 7668 : 2018 - Identical
EN ISO 7668 : 2018 - Identical
EN ISO 7668 : 2018 - Identical
ISO 7668 : 2018 - Identical
