What is the cause of local corrosion of sulfuric acid anodized hangers?

1 The hanger section is not large enough;

2 Hanging material is not suitable (containing a large amount of Mg, Cu and other metals).

Approach:

1 increase the cross section of the hanger;

2 Replace the material of the hanger with pure aluminum.

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Label: Hanger Anodized Pure Aluminum Surface Treatment Net HC

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