This document specifies the classification, requirements and test methods for rinsed and rinse-free hexavalent chromium-free chemical conversion coatings on aluminium and aluminium alloys.
This document applies to hexavalent chromium-free chemical conversion coatings on extruded aluminium and aluminium alloy components, profiles, coils, sheets, as well as cast aluminum alloy parts. The Hexavalent chromium-free conversion coatings may serve as standalone anti-corrosion layers or as a base layer for organic coatings (such as paints, rubber, or adhesives).
ПРОЈЕКАТ
ISO/DIS 25912
40.20
Нацрт на јавној расправи 60 дана
6. 10. 2026.
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