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Old 07-16-2004, 09:31 AM
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Lacquer primer question

I have used a lacquer 2k primer and I was wondering what paints exactly can be used over the primer without lifting down the road. I was anating to use a basecoat/clearcoat paint. Thanks in advance.

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Old 07-16-2004, 10:25 AM
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Use an activated sealer and paint anything you want to over it.

Troy

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Old 07-16-2004, 10:43 AM
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Lifting is no you worry here as you can put anything over the lacquer primer and its not going to lift.

Lacquer primer does two things, one it never stops releasing solvents and shrinks and cracks as solvent escape.
Second problem is urethanes will melt the lacquer and you will not know this has happened until down the road.

Urethane sealer is just as bad, if not worse than shooting base straight over the lacquer because of the tight resin system used to make sealers.

For best long term effect (and all we can do is hope)
you have two options.

Use acrylic enamel with out a sealer.
or;
Spray a wet coat of epoxy as a sealer over the lacquer as the solvents in the epoxy will not attack the lacquer primer. than base coat.
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Old 07-16-2004, 11:14 AM
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This paint is 9 years old bb, cc, over urathane sealer, over laquer primer.

Troy




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Old 07-16-2004, 02:45 PM
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That great for a trailer queen. But since its the sunlight that causes the problem maybe we should know if he planing on driving his?
You can have one setting inside and never have a problem.
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Old 07-16-2004, 07:21 PM
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Painted at the same time, same system, outside all it's life. 300,000 miles of winter driving mostly in the north.

Troy
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Old 07-16-2004, 10:42 PM
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Thanks guys, it is on a 41 chevy truck that I am restoring and it will be outside. I get what troy was saying but barryk are you talking about just an epoxy paint or primer as a wet coat then spay the base coat?
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Old 07-17-2004, 04:39 AM
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Quote:
Originally posted by badriand
Thanks guys, it is on a 41 chevy truck that I am restoring and it will be outside. I get what troy was saying but barryk are you talking about just an epoxy paint or primer as a wet coat then spay the base coat?
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Yes!, Not primer use the "epoxy" as a sealer. Spray one coat and you can shoot base over it anywhere from 1 hour to 7 days with out sanding the epoxy.
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Old 07-18-2004, 08:43 PM
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thanks for the help..
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Old 07-18-2004, 08:49 PM
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The one thing I don't understand is the "Lacquer 2K primer". Unless I have missed something there is no such thing. Lacquer is "1K", a product would require a hardener, activator or catylist of some sort to make it a 2K (two componant).
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Old 07-19-2004, 01:00 AM
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Thanks Barry for that info
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Old 07-19-2004, 02:19 PM
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The 2k primer comes w/ an activator.
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Old 07-19-2004, 06:31 PM
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If it uses an activator is isn't a lacquer. What is the part number and brand of this primer? What is the activator like? What is the mixing ratio?
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Old 07-21-2004, 10:58 AM
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ok I am going to get retarded here. I said lacquer because lacquer thinner is the only thing that will clean it or thin it. It is nason 2k primer comes with an activator and you mix 1 to 1.
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Old 07-21-2004, 07:09 PM
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All this fighting about lacquer primer and it isn't even lacquer primer we are talking about? LOLOLOLOL

Bad, you can paint anything you want over that primer with no problems what so ever.
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