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Old 09-12-2012, 11:18 AM
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Sealer over unsanded 2k

Just curious, can I spray epoxy reduced 50% (sealer) over unsanded 2k primer or does it have to be blocked??

I have a few spots on my vehicle that didnt recieve any body work and were just stripped and epoxied and when the 2k primer was sprayed on they looked very smooth and glossy, Im wondering if I can save a step by not blocking these areas?

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Old 09-12-2012, 11:37 AM
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NO!!!!! any 2-k filler primer most be sanded. The only ones that dont are those that you can over reduce and also use as a wet on wet sealer but you have a very short recoat window. On average 20-30 mins. Take the time and sand it.
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Old 09-12-2012, 01:04 PM
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Thanks for the heads up, I didnt think so but you never know
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Old 09-12-2012, 01:10 PM
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Wait, does it litteraly have to be sanded or can I hit it with a red or grey scuff pad??
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Old 09-12-2012, 01:23 PM
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if you sand it you're getting better adhesion and straighter results.
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Old 09-12-2012, 02:21 PM
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thanks guys, i went ahead and wet sanded with 320
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Old 09-12-2012, 05:33 PM
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It's all in the prep, do you want it to look nicer-go ahead and sand it.
Of course it will help with adhesion of whatever you put on top of it as well.
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