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Etch and primer questions

losh1971

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Done some searching and seem to have mixed results. I am painting out the tub with Raptor but I need to prime it. Issue I have is scratches I believe it needs etch but then you shouldn't etch over paint? What are my choices do I need to spend two days and wire wheel the entire tub, etch and then prime. Or can I just get a litre of primer/surfacer and just prime the bare metal scratches with that?
Other question is will I need 2k primer or can I just use single primer/surfacer and then apply the Raptor over that, and not worry about any etch? This is all going on a VR ute which has the factory baked enamel 2 pac.
 

greenacc

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Depends what results you want. And if you are going to be throwing tools and stuff in the tray is it worth the time to achieve a showcar finish. 2pak primer is better but more work. What state is it in now, by the sound of it it's paint scratched through to the metal?
 

losh1971

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It has some scratches on the raised areas of the base, where the tub liner has rubbed off the paint.
20200113_081447.jpg
 

EYY

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I wouldn’t bother priming that. Just go over with 400g or some scotchbrite before coating it.

if you want to prime, call the company to check primer comparability.
 

losh1971

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Checked on with paint supply place and he said to etch prime the bare spots. I decided to etch a couple of the bigger bare spots as well as the galv plate for the towbar, rest of the rubs I'm going to prime with surfacer primer.
 

losh1971

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Not sure if anyone is watching this thread but i am now interested in people's thoughts on using a rag roller instead of a spatter gun? I may not be able to borrow a gun as planned. I figure i will need three rollers on hand as the paint will harden fairly quickly.
 

greenacc

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For a ute tray it probably doesn't matter how you get the paint on as long as you build up several coats to survive the liner rubbing on it.
 
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