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Aluminum polishing

We manufacture a small aluminum tube with an ID of .907 ±.001. We need to have a highly reflective surface prior to gold plate. I am looking for a better method of polishing as well as an instrument that will measure reflectivity. We are currently polishing with Nevr-Dull ⇦ on eBay or Amazon [affil link] .

Ben Vann
- Auburn, California, USA
2002

Ben,

Not sure how big your part is and that is critical to proper equipment or process. Your I.D. is large enough to accommodate most mass finishing processes; therefore, I recommend that system, using plastic media. Which plastic composition depends on the surface profile of your part. For the most reflective finish, I normally recommend a dry organic media; however, for plating, you don't need that fine of a finish.

AF Kenton
retired business owner - Hatboro, Pennsylvania
2002

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