Such as: anodizing, fluorocarbon spraying, electrostatic powder spray and so on. What else are there? It's best to be all right! What is their price difference?
Because the structural glue and aluminum compatibility is mainly compatible with the oxide film. If there is no safety factor compatible with the paint film. There are a lot of data, say these first.
Is these three forms. In the final analysis, the most practical use of anodic oxidation, fluorocarbon and powder coating when the glass sub-frame and aluminum-bonded parts of the connection is not sprayed.