How many coats of epoxy primer should you put on a car?

epoxy to the entire car. [2 coats is sufficient.] Sand w/80 grit, rough fill w/Rage Ultra, repeat as needed. [If you are within the 7 day window sanding isn’t necessary for applying filler to SPI epoxy.]

Can you bog over epoxy primer?

Applying body filler over epoxy primer provides maximum corrosion protection for the metal. Apply filler within seven days of applying epoxy primer to maximize adhesion. OPTIONAL: Scuff Epoxy with P120-P180 grit sand paper or red scuff pad. 2 Mix and apply body filler over epoxy.

Does epoxy primer shrink?

Even our epoxy and clear.. They shrink as they cure,, Just a fact..

Can epoxy primer be used as a sealer?

Epoxy primers are a common sight in auto shops. They are used as a final sealant after a paint job. They also serve as a starter coat for steel.

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Is primer and sealer the same thing?

Primer:The first coat of paint applied to a surface, formulated to have good bonding, wetting and inhibiting properties. SEALER: A thin liquid applied to seal a surface, to prevent previous paint from bleeding through from the surface or to prevent undue absorption of the topcoat into the substrate.

How long does epoxy primer take to cure?

Before applying a new coat of epoxy primer or the color coats, the underlying primer coat must be fully dry. On a hot and dry day, or if you’re lucky enough to have an automotive oven, this can take as little as thirty minutes. But on a cold or humid day, it can take up to two or three hours.

What grit does epoxy primer stick to?

Paint adhesion relies on the mechanical grip of the paint keying into the sanding scratches in the epoxy’s surface. If a high-build or filling primer is to be applied, 80-100 grit is usually sufficient. 120-180 grit may be adequate for primers and high-solids coatings.

What do you do 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.

Can you spray lacquer over epoxy primer?

Normally you can apply lacquer over an epoxy primer, but the PPG tech sheet says a top coat should NOT be applied directly over the 410-48248.

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What can I use to reduce 2k primer?

Just use the appropriate temp reducer, to thin it, they usually cut it about 10-20% depending on how much filling power they need. Be SURE to add your activator BEFORE you reduce it so’s to keep the mix right on it. Yep, this is correct.

How soon can I paint over 2k primer?

Check the tech sheets but most are around 12 -24 hours. If you’re playing it safe, give it overnight.

How long does it take for primer to shrink?

It takes 1-2 weeks to dry the primer after that sanding and painting should be done for better results. It takes 1-2 weeks to dry the primer after that sanding and painting should be done for better results. This guy obviously has no idea what he’s talking about. Thanks for the replies.

What’s the difference between epoxy primer and epoxy sealer?

Sealers are for sealing Another difference between the two is that you tend to only require a single primer coat whereas you can require multiple sealer coats. For example, you apply the first sealer coat and notice it looks sealed/glossy in some areas, but bone dry in others.

Does epoxy primer need to be sanded?

If the thinner/reducer rag does not have any epoxy primer transfered to it then the epoxy is “cured” and needs to be sanded.

What is the difference between epoxy primer and etch primer?

Self- etch gives at least some adhesion of coatings to bare metal, which is better than nothing at all. Filler and etch primer are both porous, epoxy is not, so epoxy provides a moisture barrier right at the metal where it’s needed the most.

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