BS EN 12487:2007

BS EN 12487:2007 Corrosion protection of metals. Rinsed and non-rinsed chromate conversion coatings on aluminium and aluminium alloys

BS EN 12487 specifies requirements for rinsed and non-rinsed chromate conversion coatings on aluminium and aluminium alloys intended to protect against corrosion and serve as a base for other coatings.

Contents of BS EN 12487:

• Foreword
• Scope
• Normative references
• Information to be supplied by the purchaser
• Coating types and designation
• Coating types
• Conversion coating designation
• Sampling
• Coating requirements
• General
• Electrical insulation
• Adhesion
• Coating mass per unit area
• Coating identification
• Corrosion resistance
• Process systems
• After-treatments
• Analytical methods for the determination of the coating mass and for the identification of
• chromium, phosphorus and zinc
• Testing of the layer composition
• Bibliography