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Field test for verifying anodizing

Is there a field test to determine if aluminum handrails are anodized?

Joseph Mosca
- Yorktown, New York
2002

VOM meter

on Amazon

(affil link)

Use a volt meter the anodized film is not conductive. If it conducts electricity on the voltmeter it is not anodized or you pushed the probes too hard and broke through the anodized layer. You have to push pretty hard to break through the anodized layer.

Todd Osmolski
- Charlotte, North Carolina, USA
2002

The easiest way to check for an anodized surface is to use an Ohmmeter. An anodized surface is non-conductive.

Curt Henderson
- Ft. Wayne, Indiana
2002

A simple, and inexpensive test, would be to take an ohmmeter and test for continuity..as anodizing is a dielectric coating.

Marc Green
anodizer - Boise, Idaho
2002

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