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  #1  
Old September 27th, 2016, 03:14 PM
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steven stancey
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Painting plastic parts

Quick question. What method do people use for painting plastic fender flares. Mine are shiny black britpart and they need to be painted heritage green color. My paint guy is worried about cracking of paint bc they are so flexible. Any tricks out there? Thanks everyone...
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  #2  
Old September 27th, 2016, 03:49 PM
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John B.
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Your paint guy should know what to do.... There are special primers for plastic and additives for the paint to allow it to flex without cracking. Specifics depend on the brand and the paint supplier should know the details. If not, look elsewhere.
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  #3  
Old September 27th, 2016, 04:01 PM
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steven stancey
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Thanks. Yeah, he told me about the plastic primer and the additives (adhesion promoter) for the Valspar system, but he said he wasn't sure about the adhesion b/c besides the portion that is riveted, it is very flexible. He said that car bumpers flex, but at a limited amount b/c of what is underneath. He was worried about someone (mostly my wife) leaning up against the wheel arch, then getting little spider cracks in the plastic b/c of the flexing. He sent me a pic of an Arkonik build with the same color green and black arches, but I said no.
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Old September 27th, 2016, 09:52 PM
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Mike
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I have always used a plastic adhesion promoter and paint made for the plastic or a type of rhino lining product. You could also use a marine deck paint. Never had a problem with any of those. The older Corvette bumpers were very flimsy and the paint held on them.
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Old September 27th, 2016, 10:06 PM
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Brian Kandefer
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What material is he spraying? I would say have him hit them with red/gray scotch brite pad and use adhesion promoter 10-15 minutes prior to painting. That is what we do for our fender flares...
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  #6  
Old September 28th, 2016, 10:30 AM
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steven stancey
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Thanks everyone. We are doing a single stage Valspar, but I don't know which specific one. I'll let him know. Hopefully some "painted" pictures coming soon.
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