Anodizing color variations in a single profileJune 22, 2019
Q. My friend who lives and works in Iran has an interesting problem. He needs support to solve his problem. He told me his problem:
Each pair of profiles are actually same profile. It was cut as (half and half) and put side by side as you see. One part of the profile is the nd of profile; the other part of the profile is the beginning. As you see there are obviously color differences between each part of profile . But how can explain this situation? I suspect electrical problems but all electrical details were checked and fixed. All rectifier connections between tanks were tightened. Also cathodes inside of tank were tightened too. Despite of all these controls we could not solve this problem, and we have not found the source of the problem. How can we get rid of this problem? Have you any advice?
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