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Old 12-15-2008, 04:52 PM   #1 (permalink)
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Question How to paint the plastic

I have painted medal a few times but I have never painted plastic. I am getting ready to paint my FLHT and there are 2 plastic side covers and a plastic fairing on it. If I sand off all the shine and then base paint and clear coat them like I do the medal will the paint stick ok or do I have to do something else to them since they are plastic??? Thanks for any info on this. Lou
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Old 12-15-2008, 06:36 PM   #2 (permalink)
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kustom_flames is reading this now saying WTF is this?
No need to scuff if you apply a plastic adhesion promoter down first. It's basically like a spray glue...then prime, base, clear....
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Old 12-15-2008, 10:11 PM   #3 (permalink)
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1. If your pieces are already painted (factory paint job) Clean with water based cleaner followed by solvent based cleaner, sand reclean and paint.
2. If they are already primed, then sand clean and paint.
3. If they are raw plastic, clean, degloss, reclean then apply plastic adhesion promoter and paint.
It is recommended to follow the paint system you are using recommended procedures.
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Old 12-16-2008, 11:17 AM   #4 (permalink)
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kustom_flames is reading this now saying WTF is this?
I was assuming they are that black semigloss ABS, NON-Painted. If they have already been painted, then scuff the clear with 600grit WET, prime and go.....
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Old 02-06-2009, 10:33 AM   #5 (permalink)
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Hi,
Dude i don't understand What are you really want to say.
So please clear with your thoughts.So, We understand you easily
And may provide some better help to you.
You can also find me at my signature.
I will gonna happy to help you.
Thanks
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Old 02-06-2009, 10:48 AM   #6 (permalink)
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Clear used over paint is very similar to glass, it's highly non-porous. Therefore simply sanding is a gamble, as paint needs something to bind into (like porus metal or primer). The different paint companies make an adhesion promoter designed to stick to these clears before recoating. I believe your plastic parts are clear coated. Even if they are not painted but molded with color throughout, an adhesion promoter is still cheap insurance against peeling. As small as these two pieces are there is a product called "Bulldog" adhesion promoter in an aerosol can. Works well. Do a google search and you'll find them..Good luck
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Old 02-15-2009, 01:42 PM   #7 (permalink)
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Quote:
Originally Posted by timbo141 View Post
1. If your pieces are already painted (factory paint job) Clean with water based cleaner followed by solvent based cleaner, sand reclean and paint.
2. If they are already primed, then sand clean and paint.
3. If they are raw plastic, clean, degloss, reclean then apply plastic adhesion promoter and paint.
It is recommended to follow the paint system you are using recommended procedures.
WELL SAID GREAT ANSWER YOU DO NOT NEED ADHESION PROMOTER ON PROPERLY SANDED AND PREPPED PAINT LISTEN TO TIMBO THE MAN KNOWS WHAT HE IS TALKING ABOUT
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Old 02-16-2009, 11:36 AM   #8 (permalink)
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kustom_flames is reading this now saying WTF is this?
If you are painting on plastic - you NEED an adhesion promoter if you want it to stick for more than a few weeks/months...

Now if the plastic has already been painted (and hopefully done properly) you can get by with scuffing the clear and painting over without a promoter.

If going over bare ABS plastic, scuffing is usually not enough...
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Old 02-19-2009, 02:45 AM   #9 (permalink)
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Quote:
Originally Posted by timbo141 View Post
1. If your pieces are already painted (factory paint job) Clean with water based cleaner followed by solvent based cleaner, sand reclean and paint.
2. If they are already primed, then sand clean and paint.
3. If they are raw plastic, clean, degloss, reclean then apply plastic adhesion promoter and paint.
It is recommended to follow the paint system you are using recommended procedures.
100%

timbo's right on the money here! couldn't have said it better...

Last edited by kansasroadking; 02-19-2009 at 02:48 AM.
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Old 02-25-2009, 02:18 PM   #10 (permalink)
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kustom Flames

I have a 89 fxr and want to paint the side cover that are Black ABS i got a can of flat black plastic spary paint. do i need to clean, sand, clean, then paint?
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