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Unread 03-16-2010, 01:36 PM   #1
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Default Can i clear coat after 4 day dry base paint?

Hello guys,

Im painting a bicycle, with car paint, since the urethane has to be bought just before you use it, i decided to paint my frame with base coat and do the clear some other day when i had time...

a good friend told me, this was wrong. He says i should sand lightly and paint 1more layer of base, then a few hours after i could clear coat. This because the clear would bond better with the base coat and be much more durable.

Im not sure i have enough paint left in the can to do another layer of paint...and this paint was 18.00

any ideas? can i just clear coat with dry base?

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Unread 03-16-2010, 05:33 PM   #2
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I dont know where you are so I dont know what the moisture in the air is like. But usually a cure of 4-6 days if you plan on using clear coat. You will have to sand down with a 320 then wet sand with a 600. Or.... just wet sand with 320 and be done with it. You will also have to take a tac cloth to it to get the dust and grim off it. Then clear coat. If you are planning on doing a couple of coats... dont rush it and take your time.... no drips.
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Unread 03-17-2010, 07:56 AM   #3
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when you say 320 sanding and be done with it...do you mean i should sand and clear coat over this sanded paint?? isnt the clear going to exagerate the lines of the sanding?

im almost going to buy more paint and laquer, sand with 1000 paper put 1 more layer of paint, wait 1 hour, clean, place decals, clean, drink a beer, clear coat.
is this a good idea?

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Unread 03-17-2010, 08:30 AM   #4
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Go witha finer grit then. But you are going to need to sand it. That clear will end up not being able to hold on to the paint. Go as fine as you want.... Wet sand it.
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Unread 03-17-2010, 09:21 AM   #5
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oh by the way, i leave in Puerto Rico, pretty hot and humid climate. lets say i paint under a 90 degree sun and very humid.

im gonna wet sand today, and retape all the chrome joints... hopefully saturday i will do a another layer of paint, decals and clear.....wish me luck...thanx a lot for your input, i know this is a car forum and im a bit off topic here

Any tips are welcome.

Ill post a pic after the project is done, just for fun.

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Unread 03-17-2010, 10:00 AM   #6
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If its humid.... you might have to wait a couple extra days for cure. Find a spot on the frame some where and try to press your thumbnail in to it. IS the paint still soft?
Id try it around where the rear lugs tighten.
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Unread 03-17-2010, 11:59 AM   #7
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after work, i'll press the paint and see.

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Unread 03-17-2010, 03:31 PM   #8
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Another good spot to test it would be under the crank. After all... thats where it will more than likely chip first anyways.
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Unread 03-17-2010, 10:54 PM   #9
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it seems the frame is dry, no marks when pressed....so i proceeded to sand the frame with a soapy 1500 wetsand, looks pretty neet and slick, saturday ill do 1 more layer of paint, put decals and clear coat. what do you think iamwedge

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Unread 03-18-2010, 12:13 AM   #10
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Im not sure how well the clear coat is going to adhere to the decals.... They are after all smooth. I did have one friend they painted his car... clear coateda couple layers then lay down news print... (Of comics) on a hood of a car. Then he clear coated over that. Turned out sorta cool. The clear coat did build up at the edges. That last layer he wet sanded smooth then clear coated again.

So you have to figure outIf you want to place your decals on the outside of the clear.... or do you want them under clear. If under.... will they survive a light sanding.
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