powdercoated plastics? - Wrist Twisters
 
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post #1 of 11 Old 07-07-2008, 03:59 PM Thread Starter
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powdercoated plastics?

i want to change the color of my tank, fender, and tail. i was thinking of getting it powdercoated for price, durability, and ease. went to a local shop and they said the plastics wouldn't withstand the heat. i'm thinking that the parts are probably made of a stronger plastic and i'm under the impression that some of you have powdercoated some plastics. anybody know about this?

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post #2 of 11 Old 07-07-2008, 04:02 PM
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the plastics are most likely abs, just like that on many cars. I have never heard of people powder coating plastic. I don't think it would be flexible enough for the plastic.

You could powder coat your tank and paint the rest to match.

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post #3 of 11 Old 07-07-2008, 05:58 PM
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the powdercoat is flexible enough but I'm not sure the powder would "stick" to the plastic like it does to metal. our powdercoat line at work is over 400 degree's, not sure what the plastic can handle in that department either. I don't know to much about it though, I'm sure someone else here knows more.

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post #4 of 11 Old 07-07-2008, 09:10 PM
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Powdercoating is an electrostaticly charged paint particle that adheres to any type of metal, but not to plastic.

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post #5 of 11 Old 07-07-2008, 09:17 PM
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righto sbeau. The paint sticks to the charged metal then becomes permanent when it's literally baked on.
Powdercoat is great for frames, swingarms, etc but if it's plastic you gotta spray.

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post #6 of 11 Old 07-07-2008, 09:19 PM
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Nothing i've observed of powder coating lends itself to being flexible. the high temp curing/baking would be another challenge for plastic.

As far as the electro charging of the part, that could be done I would think. The technique for gaining the charge would obviously be different.

Makes me wonder how they manufacture the plasti-chrome found on many older cars.

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post #7 of 11 Old 07-07-2008, 09:35 PM
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maybe there are different types but the powdercoat we use is pretty flexible. we have samples from our supplier that are thin pieces of aluminum that you can basically bend in half and the powdercoat does not fail. I do know the correct adhesion to the metal has a big part to do with this aspect.

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post #8 of 11 Old 07-08-2008, 05:45 AM
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Quote:
Originally Posted by 2000TJ View Post
Nothing i've observed of powder coating lends itself to being flexible.
Powdercoat is just as flexible as the metal it is adhered to. If the charge is set correctly and the bond to the metal substrate is right, then the only way to remove the powdercoat is to burn it off or grind it off. We used to slam two powdercoated pipes together in front of customers to show them the durability of the coating. The pipes were even sprayed with a clear powder coat over the base. Very tricky to get right, but when it comes out, you can have some amazing color combinations. As with any good craft, a good durable end product is the direct result of very intense prep work.

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post #9 of 11 Old 07-08-2008, 05:56 AM
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I had not seen anything other than thick/stiff coatings, thanks for the insight.

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post #10 of 11 Old 07-08-2008, 09:10 AM
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No way the plastic would withstand the oven, as for the charge, try rubbing a baloon in your hair and see if it holds a charge.

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post #11 of 11 Old 07-08-2008, 10:52 AM
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there is a different method used to coat plastics
it's not powder coating but it's not painting either

there's a link i had 6 or 7 years ago but the details escape me

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