How to Get Bubbles out of Resin

Are there different ways How to Get Bubbles out of Resin? There are, after all your hard work and careful planning, you still spotted air bubbles in your art. However, you ought to know this is a common problem, and let us assure you, there is light at the end of the tunnel. The reason why today, we’ll be telling all about how to get bubbles out of resin, the right, and easy way.

Do not trash your project only because there are air bubbles on it; we know you did everything right; your selected just the right resin and work hard to produce just the color you were looking for. However, after your resin is poured and is setting, air bubbles became visible. Do not worry; there are a few ways to remove them and salvage your art.

Now that you know that you can get bubbles out of resin, it is time to learn about the actual process. Though it may be a little intimidating, there’s a high possibility you will encounter this issue more than once. So, check out below the tools and steps you need to get bubbles out of resin.

How to Get Bubbles out of Resin

Method 1: Toothpick or pin

Perhaps the simplest approach to get rid of bubbles is to pop them with a pin or toothpick. This will take time and patience, so it is best to try it with small projects and not large-scale ones.

Method 2: Straw

Using a straw to get rid of epoxy bubbles is equally as challenging on larger pieces of art. You might use this method to deal with smaller creations or touch-ups, but keep in mind that time may be against you.

Method 3: Butane or propane torch

When working with a torch, make sure you are working in a well-ventilated area, use a back-and-forth motion when torching, and keep your torch roughly 8 inches from the surface of your project.
Avoid leaving a flame unattended, keeping a flame near flammable substances, or keeping it in one spot for too long. Lastly, keep in mind if you over the torch, you may cause damage to your project.

  1. Hold the torch a few inches above your artwork, just close enough so that the flame lightly kisses the surface of the resin. You should see the bubbles disappear before your eyes. If you don’t see bubbles popping, move in a little closer.
  2. Keep your torch moving at all times in a back-and-forth motion as if you were ironing clothes. Give the entire surface of your artwork one or two good passes with the torch until all the bubbles have disappeared.

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Common Questions About How to Get Bubbles out of Resin

How do you fix air bubbles in epoxy resin?

Is it possible to get rid of bubbles in epoxy resin? Pay attention to the following steps and the material you need first.
Sand down the entire surface of your piece, making sure you pay special attention to the areas with bubbles. Wipe away all the sanding residue with a damp paper towel. Apply a fresh coat of carefully measured and mixed ArtResin epoxy resin.
The best way to get bubbles out of epoxy resin is using a torch. Whether you use a handheld butane torch or a bigger propane torch for larger projects, the flame from a torch is hot enough to thin out the resin, allowing bubbles to escape.

Can you use a hairdryer to remove bubbles from resin?

It is a valid attempt; however, you may want to avoid the effort. A hairdryer or heat gun doesn’t get hot enough to remove bubbles efficiently, and while you may get rid of some, it can actually make things worse by blowing dust all over your wet resin. Most professionals wouldn’t recommend using a hairdryer to remove any air bubbles in the resin.

A butane or propane torch, on the other hand, is easy to use and provides the heat, control, and intensity to remove bubbles for a flawless, pro-finish.

Why does my resin have so many bubbles?

Porous, organic materials like wood, leaves, fabric, and even paper can “breathe” air. When you cover these materials with resin, the air bubbles release into the resin in the form of bubbles, sometimes hours after pouring and torched.
To help prevent air bubbles from releasing into your resin, pre-seal natural materials such as wood and paper with a brush-on or spray sealant before resining.

There are several reasons why resin bubbles occur:

  • Improper mixing
  • Encapsulating porous materials like wood, leaves, and paper
  • Bad pouring techniques

How do you get bubbles out using a heat gun resin?

  1. Keep your heat gun about 2 inches from the resin surface. Go over your surface in a back-and-forth or circular motion. You should see bubbles pop.
  2. For stubborn bubbles, you can get a little closer and move the heat gun quickly to jiggle the bubbles and get them to pop. This works well for me when the bubbles are in corners or tight spots.
  3. If you are using a heat gun to make cells in resin art, you will want to get the heat gun closer to your artwork surface, so it pushes the resin. The closer you get the gun to the surface, the more you will move the resin.

How to prevent resin bubbles?

Keep in mind the following tips to prevent resin bubbles:

  • Make sure the resin is warm ( 75-85 F or 24-30C is ideal. )
    You can give cold resin a warm water bath if you like by placing the unopened resin and hardener bottles in a warm water bath for 20 minutes or so, drying them off thoroughly before you measure and mix.
  • Stir your resin mixture slowly: whipping it will induce more bubbles.
  • Pour your resin out slowly and pour close to the surface.
  • Seal anything that may contain air, like wood, inkjet prints, or paper with a brush-on or spray sealant.
  • Pour in thin layers: if you pour too thick, bubbles won’t have a chance to escape to the top or get torched out.

Additional Facts on How to Get Bubbles out of Resin

  • Choose the right resin for your project. For example, if you are casting into molds, choose a resin that is designed for casting.
  • Ensure the surface you are pouring your resin in or on is warm.
  • Roll the resin around your mold/bezel before filling the vessel. If you do get any bubbles, they will be easier to pop now because there is less vertical space for them to move.
  • Dip inclusions in resin before putting them into your mold/bezel. This also breaks the surface tension.
  • Once you have cast all your resin, go over it a final time with a heat source to pop bubbles.

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Janelle Linnard is a home decor enthusiast and writer based in Portland, Oregon. She studied interior design and journalism at the University of Oregon before beginning her career as a freelance writer. In her free time, she loves exploring local antique shops and vintage markets, experimenting with new DIY projects, and sharing her home decor tips and tricks on social media.
Photo of author
Janelle Linnard is a home decor enthusiast and writer based in Portland, Oregon. She studied interior design and journalism at the University of Oregon before beginning her career as a freelance writer. In her free time, she loves exploring local antique shops and vintage markets, experimenting with new DIY projects, and sharing her home decor tips and tricks on social media.