Repainting truck box

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Old 08-31-19, 08:06 PM
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Repainting truck box

I am repainting my truck box with a bed liner and the instructions said to sand it and then use acetone to clean it before I apply the liner. But the acetone seems to be undoing the dull finish that was done with the sand paper. What am I missing, thanks
 
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Old 08-31-19, 09:19 PM
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What I'm missing is what you're actually doing - are you painting or installing a liner?
 
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Old 08-31-19, 10:02 PM
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Painting, “bully liners” has a product that I can brush on.
 
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Old 09-01-19, 02:11 AM
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But the acetone seems to be undoing the dull finish that was done with the sand paper.
OK, so its a liquid liner, so the sanding roughs up the surface and the acetone cleans the residue before painting!

Your following the instructions so Im not sure what the problem is?
 
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Old 09-01-19, 03:45 AM
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The solvent is removing the sanding dust but the sanding scratches are still there. That is what you want - a clean scuffed up surface so the bedliner will adhere well. What grit sandpaper did you use?
 
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Old 09-01-19, 06:38 AM
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I used a 150 grit. And while I can still see some of the scratches after cleaning with the acetone a good amount are gone and the surface appears to have returned to its pre-sanding state which has a gloss to it. https://*******/gj13WQL
I have re-sanded a part about half way up the picture to show the difference.
 
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Old 09-01-19, 06:41 AM
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150 grit should be ok although a lot depends on how thoroughly you sanded.
your pic link doesn't work - https://www.doityourself.com/forum/e...-pictures.html
 
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Old 09-01-19, 06:50 AM
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The video I watched said to sand with acetone and a green scotchbrite pad (wet with acetone) until the finish was dull. Then to wipe off any residue with acetone.
 
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Old 09-01-19, 07:03 AM
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while it does say that it also states a "dull finish" and after cleaning the surface is not dull.
 
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