Quote:
Originally Posted by kalee20
I believe after dyeing, commercial anodising features a further electrolytic operation which hardens the oxide coating and makes it more dense. This is missing from the PW article. But I may be wrong on this. Hopefully someone will correct me!
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The DIY process I used about 5 years ago required the freshly anodised article, whether natural colour or dyed, to be immersed in boiling distilled water for 30 minutes to harden it, the piece I anodised has been outside now for that period and looks as good as it did when made.
John