Clear over clear question.

5

540goat

I painted my hood yesterday and when I was wet sanding one part I went thru the clear. I touched up the base and recleared the hood. When I recleared the hood I didn't have a lot of clear left. I gave the side that I did the touch up on 3 nice coats but the other side I put them on lighter. Now on the side that I put the clear on lighter. Would I get a mark if I were to sand thru to the original clear I put on yesterday. I ordered some more clear today and it will be here Monday if I have to go over it.
 
if i am not mistaken you can burn through to the next layer of clear and it may show. i would lightly sand it all and when you get more clear add another even coat or two. more experienced people here please correct me if i am wrong!
 
Yes, any sand through will show. Without knowing how the clear was applied, it's not possible to say whether it will polish out without burning through. 2 wet coats is usually a minimum figure for a panel that will be sanded and buffed.
 
[QUOTE='68 Coronet R/T;14172]You're not asking about sanding through to the color coat just through to your previously sprayed clear coat correct?[/QUOTE]


Yes. The previous coat was less than 24 hours old.
 
Anytime you clear over cured clear, it can show if you sand through the last application. In the old lacquer days this was not an issue but with urethanes, they don't remelt.
 
Barryk;14177 said:
Anytime you clear over cured clear, it can show if you sand through the last application. In the old lacquer days this was not an issue but with urethanes, they don't remelt.
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Even if it was sanded with 600. Well if thats the case , I have a couple of quarts of universal coming from you guys in case I do sand through.
 
Barry,
If the clear is less than 24 hours old when he resprays would it be fully cured by that time? I would have thought the clear would still be fairly soft.
Jim
 
It was still fairly soft, if I could put a finger print into it if I pushed down hard enough.
 
The only time to put more clear over the base than the whole panel is a blend panel in collision repair, where a light nib and polish will be the only buffing the panel ever gets. There is no place for a procedure like that if the aim is to sand and polish the texture out, and have a perfectly even appearance across the panel.
 
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