# ATTN metal polishers out there...

**URL:** <https://forums.speedlife.net/t/attn-metal-polishers-out-there/245200>\
**Category:** Shift518 Automotive\
**Created:** [July 3, 2009, 9:50am UTC](https://forums.speedlife.net/t/attn-metal-polishers-out-there/245200 "2009-07-03T09:50:38Z")\
**Posts on this page:** 1\
**Showing post:** 24

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**Author:** ![Neo187H](https://avatars.discourse-cdn.com/v4/letter/n/898d66/32.png) [@Neo187H](https://forums.speedlife.net/u/Neo187H)\
**Post date:** [July 10, 2009, 9:47am UTC](https://forums.speedlife.net/t/attn-metal-polishers-out-there/245200/24 "2009-07-10T09:47:19Z")

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> [@fruity loops registration?](https://forums.speedlife.net/t/fruity-loops-registration/20210/10):
>
> for chrome they polish the HELL out of the surface, yes, but they also give it a soak in a copper or brass bath to fill in the small gaps as much as possible. chrome is the last thing that goes on it.

Chrome wont adhear to aluminum so its first covered with copper. Only problem is that alum and copper are dissimiliar metals so over time they will corrode under the chrome and cause it to chip away, or in the case of wheels cause the tires to leak.

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