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Old 10-12-2010, 05:06 PM
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1 stage base coat Q:

I have finished applying my second coat of single stage urithane base today. It looks pretty good considering my prep work was thorough. I blocked my primer down and cleaned the surface nicelly and there is a shine there but it needs to be sanded and buffed. I started block sanding the base coat with 600 paper while wet sanding....but what product (or compund) should I buy to bring out a good shine? Or should I add a couple coats of clear? Im affraid Im about out of descent temperature days and would hate to run into a problem from that. Any advice?
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Old 10-12-2010, 09:29 PM
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Ozzie, I'm confused; are you using a basecoat/clearcoat system
or a true single stage urethane that dosen't require clearcoat?

The picture dosen't show much gloss. If it's simply a basecoat,
then it requires a clearcoat to obtain a glossy finish.

If it's a true single stage urethane, then there was a problem in
the application since a SS should have more gloss than that.
If it were mine, I'd continue sanding with 600 and spray a couple
coats of clear on it.

Nice Bronco by the way.....
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Old 10-12-2010, 10:26 PM
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The paint I tryed was from Eastwood and Yes it is a single stage urithane...and like I stated....there isnt much shine there....must be my spraying or the temps which was around 55+deg. I do beleive I will sand her down a tad and spray on a couple coats of clear but I will have to turn on some heat in the garage. Question......how much sanding should I do? Am I looking for absolute smooth perfection before clear coating?
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Old 10-12-2010, 10:31 PM
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Oh and thanks on the bronc....got it for a grand (body is emaculant)!!! Just dropped in a rebuilt 351 and wanted to get the skin finished before it gets cold.
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Old 10-13-2010, 09:34 PM
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Quote:
Originally Posted by ozziesstang
The paint I tryed was from Eastwood and Yes it is a single stage urithane...and like I stated....there isnt much shine there....must be my spraying or the temps which was around 55+deg. I do beleive I will sand her down a tad and spray on a couple coats of clear but I will have to turn on some heat in the garage. Question......how much sanding should I do? Am I looking for absolute smooth perfection before clear coating?
If the finish is just rough and grainy, it shouldn't be too hard to sand smooth.
I'd get it as smooth as possible, using 400 grit if necessary then going to 600.
You could even spray a drop coat after sanding, to get the color uniform
before clearing. This will be necessary if the paint's metallic or pearl.
You have a good base there, just need to clean it up a little to get the
gloss back.

Yep, gotta love those old Broncos, I'm now working on a 78 myself.
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Old 10-14-2010, 10:58 AM
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I'd say if you haven't cut enough material that you're seeing inconsistent color and it is not a metallic paint, you should be good to cut with finer grit paper up to 1500 grit and then buff it. If it was as cool as you say when you sprayed, I woulda thunk the paint would have flowed and have a great shine.
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