Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ
The authoritative public forum
for Metal Finishing since 1989
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White lines after Hardcoat Anodizing
Q. I'm working on an issue where there are uniform white lines around the entire part after hardcoat anodizing. My original thought was its more than likely related to the machining process, but I'm not sure. Has anyone been involved with this type of issue?
Chris R- Michigan
January 16, 2012
Please come back with the alloy, whether heat treated, ramp time, thickness, free acid, dissolved aluminum, how racked.
Robert H Probert
Robert H Probert Technical Services
Garner, North Carolina
January 18, 2012
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