Table of Contents
This problem can be caused by anything floating/falling into your resin while it cures, resulting in imperfections in the surface. If you are experiencing imperfections that look more like domed bumps in the resin, skip down to #4.
Why does my epoxy ripple?
Epoxy Surface Cures Uneven with Ripples or Waves: 2) Applying too thin a flood coat. This product needs to be applied in full 1/8” flood coats in order to properly self-level. 3) Applying too much heat during your bubble removal techniques will cause a ripple effect.
What causes dimpling in epoxy tumblers?
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!Feb 13, 2019.
Do you have to sand between coats of epoxy on tumbler?
💡TIP: Remember: whenever your resin is dry, you need to sand before you apply a second coat to ensure the two layers bond together. If you don’t sand, you run the risk of the two layers eventually delaminating.
Why isn’t my epoxy smooth?
The most common cause for uneven epoxy resin is often not using the correct mixing ratio, or even using hardener and resin that is too old. These problems can be prevented by ensuring your work area is well ventilated, not too humid, and using a torch to heat the epoxy and allow the air bubbles to escape.
Why is my epoxy not sticking to my cup?
Mixing ratios can greatly affect how your piece will cure. If the mixing ratio is off or not completely mixed properly, this can cause the resin to remain tacky, or have soft spots. To ensure that you have the proper mixing ratios measured in measuring cups, and to ensure that you are mixing by volume.
How do you keep bubbles out of epoxy?
Without question, the best way to get bubbles out of epoxy resin is with an Artist’s 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. It’s your best bet against bubbles every time!Feb 6, 2021.
How do you fix fisheye in epoxy?
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 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.
How do you fix dimpled epoxy?
Whether your divots occurred during the pouring process of your countertops, or afterwards due to a soft cure, the solution is always to pour another coat of epoxy. You can pour directly over the previous epoxy pour within 24 hours of the first pour.
What causes fisheye in epoxy?
When a coating is applied to a substrate that is contaminated with low surface energy particles such as oil, wax, grease, or silicone, fish eyes may develop in the coating as it is applied. These fish eyes are produced because the coating is unable to wet out the contaminated area.
How many coats of epoxy does a tumbler need?
It does depend on what you’re creating, but the average is 2-3 coats. To properly seal all the layers beneath, we recommend using a topcoat of your resin. For a sparkling finish, you can mix in glitter from our friends at Alumilite to realize your epoxy glitter tumbler vision.
How long does it take epoxy to dry on a tumbler?
Let The Tumbler Cure: Leaving the motor running, allow the cup to continue turning until the resin is dry to the touch, approximately 18-24 hours later. Remove the tumbler from the cup turner and remove the tape. Allow the cup to continue curing – it will be fully cured at the 72 hour mark.
When can I apply a second coat of epoxy on a tumbler?
Depending on the epoxy you’ve chosen to work with, you’ll have to wait between 4 and 24 hours before applying your second coat. Be sure to read your directions very thoroughly before beginning your project.
How do you fix air bubbles in cured epoxy?
Yes, you CAN get rid of bubbles after your resin has dried! Simply 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.
How do you smooth 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.
How do you fix white spots on epoxy?
Sanding with dull paper can heat the epoxy and soften it, and result in the same ‘white’ look with dust mixed with softened epoxy. Wet sanding (water and a drop of dishwashing detergent, using wet/dry sandpaper) usually works better for me. Don’t be afraid to experiment a bit. With epoxy, you can always sand off extra.
Can you use a hair dryer to remove bubbles from resin?
In short, YES a torch is the best tool to get rid of bubbles in epoxy resin. A hair dryer or heat gun doesn’t get hot enough to remove bubbles efficiently and can blow dust all over your wet resin.
