This document specifies a visual method for determining the image clarity of anodic oxidation coatings on aluminium and its alloys@ using a chart scale and a lightness scale@ which are defined. The method is applicable only to flat surfaces that can reflect the image of the chart scale pattern.
EN ISO 10215:2018 history
2018EN ISO 10215:2018 Anodizing of aluminium and its alloys - Visual determination of image clarity of anodic oxidation coatings - Chart scale method
2010EN ISO 10215:2010 Anodizing of aluminium and its alloys - Visual determination of image clarity of anodic oxidation coatings - Chart scale method (ISO 10215:2010)