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Stock rims polishing. Whats this coating?


Rapture

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Im machine polishing a set of rims.

 

My question would be are stock rims coated with a clearcoat or are they plated with some kind of alloy? Reason i ask is i got the rotary on them and nothing really shined up for about 30 seconds the suddenly i broke through to  fresh layer of ally. Maybe oxidization? Id there a easy way of removing this coating like a acid cleanser/dip or something?

 

20140919_174056.jpg

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Sweet. I just found some cleaner on the shelf for cleaning AC condenser units which has a big dose of sodium hydroxide. Sprayed some on and left for 15 mins and it bubbled up a treat taking it to the bare ally.

 

Nice one!

 

Will post a few pics when done.

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Sweet. I just found some cleaner on the shelf for cleaning AC condenser units which has a big dose of sodium hydroxide. Sprayed some on and left for 15 mins and it bubbled up a treat taking it to the bare ally.

 

Nice one!

 

 

Will post a few pics when done.

 

 

 

What brand and type of coil cleaner?

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