What is the mix ratio for epoxy primer?

Sand and featheredge original finish with 220 or 320 wet or dry sandpaper. 2K Epoxy Prime-N-Seal is a two-component product consisting of 2K Epoxy Prime-N-Seal Part A and Part B 6798 Catalyst. The proper mixing ratio is 2:1.

Does epoxy primer need hardener?

But to get a usable product, you have to mix the epoxy primer with the hardener. You can apply this epoxy primer over blistered fiberglass as a repair coat. It is a high build epoxy, which means you only need to apply a few coats for great results.

What kind of thinner do you use for epoxy primer?

Adding 5% lacquer thinner to epoxy reduces epoxy’s compressive strength by 35%. As such, it’s no longer suitable as a structural adhesive. Adding a solvent can extend curing time, making your work unpredictable. Adding a solvent can cause the epoxy to shrink and crack over time.

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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.

Can I use epoxy primer as a sealer?

Use it For a Final Sealer – A cool trick we’ve been doing for the past few years is using our epoxy primer as a final sealer before our base coat. Simply reduce it 50 percent and lay a coat or two down to seal up all of your work and have a nice surface to lay your base coat over top of.

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).

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.

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.

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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.

Does primer need hardener?

Registered. Mix the primer according to the manufacturer’s instructions! There are lacquer primers that you “thin” out to spray, and there are 2K (two component) primers that require a hardener to be added.

What can I use to thicken epoxy resin?

Fillers are used to thicken epoxy for specific applications such as bonding or fairing. After selecting an appropriate filler for your job (see Filler Selection Guide), use it to thicken the epoxy mixture to the desired consistency.

Can you thin epoxy with mineral spirits?

Methylated Spirits or Denatured Alcohol These are another option of very strong solvents that can be used to thin epoxy. Although they may be a little safer than using thinners or pure acetone. These options work better on metal, plastic, and glass projects.

How long can you leave epoxy primer before painting?

epoxy can sit just about forever but if it sets more than a couple days you should sand it and spray a coat of reduced epoxy as a sealer. most epoxies these days have around a 7 day recoat window but the more you wait the worse the adhesion is. i always like to get something on it within 24-48 hours.

Does epoxy primer Sand well?

Epoxy doesn’t sand very well as a rule so you might want to use a 2k urethane primer on top of one coat of epoxy after it has flashed. We need more info before we can give you an accurate answer. You can also do filler work over properly prepared bare metal also.

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Is epoxy primer Sandable?

Epoxy primer may be topcoated after approximately 30 minutes (wait 45-60 minutes after applying more than two coats), or up to about five days. After five days, primer MUST be scuff sanded prior to topcoat application. May be sanded (wet) the day after application. Wait two to three days before sanding dry.

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