Aerospace series - Chromate conversion coatings (yellow) for aluminium and aluminium alloys

This document outlines a technical specification developed by the Latvian Standards Committee, released in May 2002, focusing on chemical treatment processes for aluminum and aluminum alloys. The standard details the application methods for chromate conversion coatings, specifically targeting the production of yellow-colored surfaces. It establishes the necessary parameters and procedures to ensure uniformity and adherence to established performance criteria across the Kosmosa series of products. The guidelines cover the preparation of materials, the composition of the conversion bath, and the environmental conditions required during the treatment phase. Compliance with these provisions ensures the desired aesthetic and protective qualities of the finished aluminum components. The scope includes both the technical requirements and the testing methods used to verify the quality of the applied coatings, providing a framework for manufacturers and quality control personnel to maintain consistency in industrial processes involving aluminum finishing techniques within the specified context.