Can you paint directly over epoxy primer?

They recommend a sealer over the epoxy before the paint. They said that you can paint over the epoxy, but best results would be with a sealer.. with no issues. I do scuff it when it sits longer, like overnight.

When can you paint over epoxy primer?

The tech sheets for most Epoxy Primers recommend sanding and recoating with more Epoxy Primer after 7 days. Quote: The tech sheets for most Epoxy Primers recommend sanding and recoating with more Epoxy Primer after 7 days. Scuff it and shoot some 2K over it.

Do I have to sand epoxy primer before painting?

You should not need to sand the epoxy. But if you do, I use 220 grit to knock off the nibs. Check the tech sheets for dry time, really depends on temp and how long it’s been applied.

What is the difference between epoxy primer and urethane primer?

An epoxy primer is what you want to use on bare or freshly sandblasted steel for your maximum adhesion and rust prevention. The urethane primer is what you want to use after your bodywork is done as a filler primer. Epoxy is simply a primer, whereas 2K urethane primers are considered a primer surfacer.

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Can you recoat epoxy primer?

The short answer is, yes. Jeff stated that they tested the primer on many surfaces and conditions to ensure that it would have the same bonding and adhesion as a new epoxy coating that is applied to a properly prepared bare concrete surface.

What comes after epoxy primer?

After you have applied the epoxy primer you need to apply a good thick cover of something like PPG’s K36. After that has setup then you need to dust the area with a sanding guide coat. Rattle can primer of a contrasting color is what you need. Start block sanding the vehicle unit the guide primer is removed.

Do I need to seal epoxy primer?

For what it is worth, poly primer is not meant to be sealed and painted over. Poly primer is nothing more than sprayable body filler. You really should put down a couple coats of a regular primer surfacer, then sand it.

How do you clean epoxy primer before painting?

There is really no need to sand off. just scuff it up real good after you wash it with Dawn and water. Before you sand it wipe it down with alcohol, the rubbing kind. Then scuff it with a red scotch brite pad and then you can do whatever you want to do on top of that.

Can you paint over 2K Primer without sanding?

2K urethane’s need to be sanded with the exception of when thinned down to use as a sealer and then you have a limited re-coat time, usually 15-45 minutes.

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Do you need to sand 2K primer before painting?

Wet sanding 2K Urethane primer is best done with 400 to 600 grit wet/dry paper on a Durablock. Under most circumstances you will not need to DA sand over your work after wet sanding because wet sanding creates much finer scratches.

What is epoxy primer good for?

An epoxy primer is very effective at sealing up bare metal and prevents moisture or corrosion from creeping in. It keeps out oxygen, ensuring that rust or corrosion do not form on the surface. It is non-porous when it cures and does not soak up moisture like most primer sealers.

How many coats of epoxy primer do I need?

The epoxy primer should be applied in medium wet coats, allowing a half an hour between each coat at around 70 degrees. One to two coats will render a one millimeter dry film thickness, which is typically enough to be completely effective.

What is the best primer for epoxy?

As a primer we would recommend the BEKATQ 2K epoxy resin primer BK-190EP.

  • 3.1 Recommendation Spray Primer: U.S. Chemical Plastics 2K Rapid Primer Filler Gray.
  • 3.2 Recommendation fiberglass, wood, aluminum, and steel: Marine-Tex RM330K.
  • 3.3 Recommendation: Speedokote Epoxy Fast Primer.

Is epoxy primer safe to spray?

When an epoxy primer is sprayed and is airborne it should be treated with the same respect as a 2 pack paint. Required Protection: If you’re spraying (or near someone spraying ) epoxy primer then you need full respiratory protection. Check with the manufacturer of the primer to see what you need).

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