How do you fix dips in epoxy resin?

An uneven hardening of your epoxy resin can lead to dull, or even tacky spots. To fix an uneven epoxy finish, wait until the epoxy has dried thoroughly, and then sand it lightly with fine-grained wet sandpaper. After this, make sure to wipe down the surface, so it is entirely free of any sanding dust and other debris.

Why am I getting dimples in my epoxy?

Dimples can occur for 3 reasons: temperature fluctuation, micro dust particles and overtorching. To avoid getting dimples in your cured resin, make sure that the temperature in your resin room stays stable, that you use a dustcover and that you only lightly torch your resin!

How do you fix epoxy craters?

Lightly sand the existing epoxy with 120-150 grit. Care should be taken not to cut through the stain. Apply another seal coat of epoxy using an 1/8″ nap foam roller, working to fill in the craters. Allow the epoxy to cure hard, sand entire application flat, and re-coat to finish.

Why is my epoxy not hardening?

If your resin hasn’t cured properly, this means that the chemical reaction between the resin and hardener was not able to take place. Sticky resin is typically caused by inaccurate measuring or under mixing. Try moving your piece to a warmer spot: if it doesn’t dry, re-pour with a fresh coat of resin.

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Can you spot fix epoxy?

You can resurface the epoxy as many times as you would like. Just keep in mind that if you wait to pour a second coat past 24 hours after the first, that you will need to sand the surface with 220-320 grit sandpaper to create a chemical bond.

Why do I keep getting fish eyes in my epoxy?

Substrate contamination is the most common problem that causes fish eyes and pin holes in epoxy seal coats. Dust, dirt, wax, silicones, even the oil from your fingers when touching the part prior to sealing with epoxy will deter epoxy resins from laying flat and curing with a perfectly smooth surface.

Can you pour epoxy over cured epoxy?

Can I put another coat of epoxy over cured epoxy? Yes. Since the epoxy has cured a chemical bond is not possible so what is called a mechanical bond is needed. This simply means that the cured epoxy has to be lightly sanded before the next coat is applied: the first coat should have a matt, almost white, surface.

Can you sand epoxy between coats?

A lot of first-time users ask, “ Can you sand epoxy?” The answer is, YES! This is the primary way to prepare your epoxy for a second coat.

Why is my epoxy drying bumpy?

If you have bumpy, spotty, uneven surface, it might be due to not using enough epoxy to coat the object. We did some ornaments and cups and found that if you don’t use enough, no matter how smooth it is at application, it will eventually look like the top picture in this post.

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How do you smooth hard epoxy?

Wet sanding with waterproof sandpaper is often the best approach to sanding cured epoxy resin. Wet sanding removes unevenness while you are sanding, reduces clogging of the abrasive paper and drastically reduces the amount of dust emitted into the air.

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