Registered: 10/27/10
Posts: 20
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#155492 - 10/29/09 05:09 PM
Re: Powder coating wire wheels
[Re: Youngfalcon]
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Registered: 08/19/04
Posts: 932
Loc: Columbia, MO
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YF, I can give you some advice on mounting your tires when you come by to see my car. Your guy has given you a great price for powder coating your wheels. If you have seen his work and like it, I highly recommend you do it. As you now know, I am in the powder coating business and I would not begin to coat any wheel, let alone a wire spoke wheel, for that kind of money. As for filling pits prior to powder coating, JB weld will work fine. It is good to 600 degrees F. It's cheap and pretty easy to work with. Powder will not usually hide anything that paint would not hide. Lots of things contribute to the quality of a powder coat finish. Cleanliness is at, or near, the top of the list. Even a plain stamped steel rim presents some problems in this area. Statically charged powder seeks a grounded surface... the first grounded surface it can find. You might like for it to go into a recess, such as where the wheel center is welded or riveted to the rim. The powder just wants to find the closest place to cling onto. This is known as Faraday Cage Effect. Technique and experience can prevail, but often such areas just don't get enough, or any, powder. This same area provides an excellent place for oil to hide. Sand blasting will not remove this oil so it shows itself when the wheel is heated to about 400 degrees F when it is dried after cleaning and prep. The ideal method would be to blast, hot tank, then coat. A wire wheel presents the problem of all those spoke welds and places where they cross one another and leave a tight place (Faraday Cage).It is also difficult to see the back side of all the spokes to tell if you have good coverage. A powder coating job well done is a durable and serviceable product which will usually out perform paint.
Mike The main thing to look for in a powder coater, as with most other services, is SOMEONE WHO CARES.
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