DIN EN 4827:2024-10

This document specifies the requirements for hexavalent chromium free anodizing of aluminium and aluminium alloys for corrosion protection, bonding and painting. This document does not apply to hard anodizing and plasma electrolytic anodizing (micro-arc oxidation). The purpose of this document is to give design, quality and manufacturing requirements. It does not give complete in-house process instructions; these are given in the processor's detailed process instructions. The standard EN 4827 has been prepared by the Aerospace and Defence Industries Association of Europe - Standardization (ASD-STAN) with the participation of German experts from DIN Standards Committee Aerospace (NL). The responsible German standardization committee is Working Committee NA 131-02-04 AA "Oberflächenschutz" ("Surface protection") at DIN Standards Committee Aerospace (NL).