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Anodizing aluminum wire for insulation





January 25, 2012

Q. Hello all,
I want to anodize aluminum wire to provide an electrical insulator on the outside.
Is there any company with whom you may be aware that does this OR that you believe has a good capability at developing this?
What alloy of aluminum may be best for this?
Should I consider barrier anodizing or typical open pore sulfuric anodizing?

Thanks.

Brian

Brian S [last name deleted for privacy by Editor]
- Minnesota

Sorry, this RFQ is outdated, but technical replies are welcome. No public brand/source suggestions please ( huh? why?)


January 25, 2012

I cannot answer any of your questions but would like to share the following two thoughts. (1) There is some published work on the dielectric properties of anodic coatings on different alloys and thicknesses, which might help you decide what voltages you can depend on, and (2) once you bend the wire you open cracks in the hard brittle coating.

robert probert
Robert H Probert
Robert H Probert Technical Services
supporting advertiser
Garner, North Carolina
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