Edges

cga3a · #1 (**permalink**) 10-12-2007, 11:36 AM

I'm anodizing 6061 Aluminum (square shape) and find that the edges don't take the anodize like the rest of the part. The coloring is lighter if not at all.

cga3a

acidrain · #2 (**permalink**) 10-12-2007, 02:19 PM

What is your set up? Cathode size adequate?
It sounds like maybe the parts are surface contaminated along the edges. Did you degrease, and did the parts pass the water-break test?
I've never had parts react like that.

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