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Old 04-12-2009, 10:09 PM
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I have a few gray areas about using BC/CC

Going to paint my 55 chevy truck this summer and I keep running thru my mind the sequence of events etc. I have 2 questions relative to urethane BC/CC.

Can hardener be used with the base coat or just the clear coat?

If for whatever reason the basecoat sits (in a few small sections) beyond the window for clear coating can I simply scuff with 800 grit and shoot over it with more basecoat?


Thanks,

Keith
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Old 04-12-2009, 11:40 PM
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Both depend on the brand. Check out the tech sheets on the brand you are planning on using for starts.

Brian
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Old 04-13-2009, 03:20 AM
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the base coat sometimes mixs with a reducer 2 to 1 or 4 to 1 sometimes not follow tech sheet. if the pieces set longer for the time window no you dont have to reshoot another coat of base color just wet sand with 800 and (Clean area very well use tac rag(s) and then cleaner degreaser) and then spray the clear

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Old 04-13-2009, 05:46 AM
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SMRAT-
Thanks for PM on the jams..uncanny timing. I woke up this morning and had the door jams on my mind..i.e. how much room did I have to get a paint gun in there...I have the doors where I want them and don't want to have to take them off again. Looks like if I set the gun up for a minimum amount of spray(or a touch up gun?) I can get in there. Anyway I came upstairs after doing that and saw your email about the jams..

Thanks,

Keith
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Old 04-13-2009, 08:14 AM
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I'm sorry but sanding the base and applying clear over it is a big no-no with most every paint companies basecoat system. Some say DO NOT sand, others if they do say to apply more base.

The thing is, simply clear it within the window.

Brian
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Old 04-13-2009, 08:19 AM
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Quote:
Originally Posted by MARTINSR
I'm sorry but sanding the base and applying clear over it is a big no-no with most every paint companies basecoat system. Some say DO NOT sand, others if they do say to apply more base.

The thing is, simply clear it within the window.

Brian
This is true, and especially true if your dealing with any metallic base coat. You should always shoot more base beyond the recommended window for clear application.

Vince
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Old 04-13-2009, 08:39 AM
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Yes..when I mentioned sanding I meant with the intention of shooting more base..

I think I'll have a few small areas that I'll need to shoot in advance to give me time for final assembly and this is a fall back position.

I'm sure it's good advise to just shoot within the window and be done with it..I just feel the need to do it differently..that's me!

Thanks,

Keith
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Old 04-13-2009, 08:42 AM
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yup sorry bout that u guys are 100% right i was thinking if u had cleared it with like sg100 and were going to do art work on it.... so dont sand the base coat
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