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Thread: How Do You Powder Coat Over Chrome?

  1. #1
    welterracer is offline Amateur Metal Finisher
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    Default How Do You Powder Coat Over Chrome?

    Hi..

    My name is Brian, and im new to the forum,and I am co-owner of a small Powder coating business.

    I have a customer who wants us to powder coaticon his 20" Chrome wheels which are rust pitted!

    What do i have to do, to insure that the powder coating will stick and look nice?

    Ive heard that the chrome has to be completely removed.. Is this true? and if so how do you get it off?

    Thanks a ton

    Brian

  2. #2
    Harleydad's Avatar
    Harleydad is offline Metal Finishing Guru
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    Default Re: How Do You Powder Coat Over Chrome?

    If it's pitted and rusting it's best to remove it. Take the rims somewhere to get them stripped.

  3. #3
    welterracer is offline Amateur Metal Finisher
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    Default Re: How Do You Powder Coat Over Chrome?

    What would you use to strip them that wouldnt destroy the aluminum?
    Halfbakedcoatings.com

  4. #4
    Harleydad's Avatar
    Harleydad is offline Metal Finishing Guru
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    Default Re: How Do You Powder Coat Over Chrome?

    A shop that does chrome or plating may be able to strip them.

  5. #5
    welterracer is offline Amateur Metal Finisher
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    Default Re: How Do You Powder Coat Over Chrome?

    Couldnt you just sand them down or grind down the pits?
    Halfbakedcoatings.com

  6. #6
    Harleydad's Avatar
    Harleydad is offline Metal Finishing Guru
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    Default Re: How Do You Powder Coat Over Chrome?

    If you coat them and there's still rust creeping under that chrome, how long will it be before you're doing them over?

  7. #7
    welterracer is offline Amateur Metal Finisher
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    Default Re: How Do You Powder Coat Over Chrome?

    Ive done alot of searching o other forums on different sites..

    Some people say you can powder coaticon over chrome with no problems as long as its very clean.. Others say just the opposite.. saying it cant be done and it wont last..

    WHO KNOWS FOR SURE?
    Halfbakedcoatings.com

  8. #8
    Harleydad's Avatar
    Harleydad is offline Metal Finishing Guru
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    Default Re: How Do You Powder Coat Over Chrome?

    Quote Originally Posted by welterracer View Post
    Ive done alot of searching o other forums on different sites..

    Some people say you can powder coaticon over chrome with no problems as long as its very clean.. Others say just the opposite.. saying it cant be done and it wont last..

    WHO KNOWS FOR SURE?
    You can coat over chrome if it's in good shape. If your using transparent/candy colors, clean really, really well, coat and cure. If using a solid color, lightly blast or go over the part with a scotchbrite to aid in adhesion. I usually run chrome parts through an outgas cycle first (450 degrees for an hour). If the chrome bubbles/blisters, it needs to be removed. In your case pitted and rusty, I wouldn't take the chance and would have them stripped. Your coating is only as good as your base.

  9. #9
    bikerchico is offline New User
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    Default Re: How Do You Powder Coat Over Chrome?

    place chome piece in5 gallon bucket and a cup of baking soda. now u need a battery charger . and a stainless rod but any rod will work. attach red lead to chome pease. place rod in bucket be sure the rod does not touch chome peace. attach black lead to rod. this will remove all chorme. check every 4 or 5 hours. the metal will come out looking black. sand blast or clean.I have done this plenty of times.it realy works

  10. #10
    tr4dude's Avatar
    tr4dude is offline New User
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    Default Re: How Do You Powder Coat Over Chrome?

    great cheap idea, i will try that out on a set of rusty chrome rims soon!!
    Sonic Powder Coating
    Sonic Coatings@aol.com

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