Base coat/clear coat - Impala Tech
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post #1 of 6 (permalink) Old 12-08-2009, 12:33 PM Thread Starter
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Base coat/clear coat

Can base coat / clear coat be sanded with #800 sandpaper to remove orange peal?
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post #2 of 6 (permalink) Old 12-08-2009, 04:32 PM
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however, I have heard of people using 600 lightly, 800 and 1000 all as starting points on knocking down orange-peel.

on a similar note, it is also preference as to how high to go..... 1200, 1500, 2000.

I guess it's a matter of how much effort/time you want to put into it, and how rough/thick the clearcoat is to begin with.

Are there at least 2 coats of CC on there?

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post #3 of 6 (permalink) Old 12-08-2009, 06:36 PM
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my 2 cents worth......if the base coat went on nice an drips... runs....lay on the clear! much as you can at the time....let it set up......knock down with wet can re clear it in areas ...that might need it....then let it sit for a while........wet sand again and polish.....done!.....the most forgivin system ever developed for diy guys.............

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post #4 of 6 (permalink) Old 12-08-2009, 11:14 PM
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I would flatsand your primer with 600 grit wet. Then spray on your sealer, followed by three coats of base. At this time, you can let it cure and do your colorsanding. I would probably use at least 1000 grit, maybe even 1200. Depends on what your choice of paint manufacturer recommends. Then spray on a few more coats of base followed by three coats of clear. At this point you can either flatsand the clear with 1500 or 2000 grit and buff it, or you could flatsand it with 1000 or 1200 and re clear the car again with over reduced clearcoat. This is called a flowcoat. You can then flatsand the flowcoat, though you shouldn't need to, or just hit the dirt nibs and buff those spots.

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post #5 of 6 (permalink) Old 12-10-2009, 07:41 PM
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Originally Posted by dbuchholtz View Post
Can base coat / clear coat be sanded with #800 sandpaper to remove orange peal?
Yes, you can sand your base with 800 grit paper. It is recommended to only go as fine as 600 then reshoot more base over the sanded areas then clear.

I use the 800 instead of the 600 because it is easier to cover with additional base. You should not have any orange peel in the base. You should just dust the base on with fast strokes, do not lay it on thick. It should seem fairly dry when you dust it on. It will take several coats to cover this way but it will leave a nice flat base.

If your talking about orange peel in the clear only, I would start with 800 if it is bad peel or 1000 if it is moderate peel and move to 1500 and then 2000 for the final sanding then buff.


1965 Impala Non SS 327/300
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post #6 of 6 (permalink) Old 12-26-2009, 11:47 AM
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If you are looking at the finished job...and the clear has orange peel..
I would block wet sand with 1000grt or above paper then polish it out.

800grt paper on a finished job may end up removing more than you want...
Better the job take a little longer sanding and polishing rather than sanding, saying oh crap, then re-clearing the job.

Just my thought.
Good luck,
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