finishing.com -- The Home Page of the Finishing Industry

-----

Polish Aluminum on curve surface

How can I polish Aluminum or Aluminum Bronze into mirror finishing for curved surface? Like spherical shape?

Since this is only a scinece project, is it possible to get the mirror finishing by hand polishing?

Eric Leong
- Stony Brook, New York
2000

Yes you can obtain a mirror finish even on a curved surface. You will need to get several grades of sandpaper, I usually start with 80 then go to 200 then 400 then 800, finally 1200, then I use an aluminum polish such as Mothers Mag & Aluminum Polish ⇦ on eBay or Amazon [affil link] . I know it sounds crazy to use sandpaper, but I have done wheels, turbo housings, intakes, and other aluminum parts with great success. There is almost no limit to the smoothness, but bear in mind even a small surface (valve cover) can take all day!

James K windland
- Washington, West Virginia, USA
2002

No dead threads! If this page isn't already on the Hotline your Q, A, or Comment will move it there.

Q, A, or Comment on THIS thread -or- Start a NEW Thread

Disclaimer: It's not possible to fully diagnose a finishing problem or the hazards of an operation via these pages. All information presented is for general reference and does not represent a professional opinion nor the policy of an author's employer. The internet is largely anonymous & unvetted; some names may be fictitious and some recommendations might be harmful.

If you are seeking a product or service related to metal finishing, please check these Directories: