Published by UltraClear Epoxy · Manufacturer’s application guide

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Read everything before mixing. UltraClear Art & Craft Epoxy is a crystal clear, UV resistant, zero VOC epoxy for resin art, coasters, tumblers, jewelry, charcuterie boards and molds. It mixes 1:1 like our Bar & Table Top Epoxy but has a longer working time and is made for smaller, thinner projects. These directions apply only to Art & Craft Epoxy.

1:1By volume
75 to 80°FRoom temperature
1/8 inchPer coat, up to ¼
40 minWorking time

Prepare your workspace

  1. Set the room to 75°F to 80°F with humidity under 85%. Keep it there for the full 72 hour cure. Cooler rooms make the epoxy thick, slow to level and slow to cure. Warmer rooms shorten your working time. Let the epoxy and your project sit in the room for a few hours before you start.
  2. Start clean, dry and level. The surface must be free of dust, dirt, wax, grease and oil. Epoxy self levels, so if the piece is not level the finish will be thicker on one side. Do not apply over oil based stains, paints or urethanes, the epoxy will not bond to them.
  3. Protect and raise. Cover the work area with wax paper. Set the piece on cups or stands so it sits above the surface and drips run off the edges instead of pooling underneath.
  4. Plan your quantity. Use the coverage table below. Mix a little more than you think you need, since leftover epoxy cannot be saved but running out mid pour ruins the piece.

Coverage at 1/8 inch

Approximate Art & Craft Epoxy coverage at 1/8 inch
Size (resin and hardener combined) Covers about
1 quart 3 sq ft
1 gallon 12 sq ft
2 gallons 24 sq ft
A ¼ inch pour Half the area listed

Add extra for edges, drips and anything you are covering.

Gather your tools

Clean mixing containers (one per batch), flat edged stir sticks, graduated measuring, a paint brush or spatula for spreading, a propane torch or heat gun, gloves, wax paper, and cups or stands to raise the piece. For molds: silicone molds. For tumblers: a cup turner.

Is this the right UltraClear epoxy for your project? Art & Craft for artwork, coasters, tumblers, jewelry, small boards and molds up to ¼ inch deep. Bar & Table Top for bars, counters and tables that take daily wear. Deep Pour for anything ¼ inch or deeper, such as river tables and thick castings.

Zero VOC and virtually odorless, but still a chemical. Wear nitrile gloves and eye protection, work with ventilation, and keep it off skin. Do not eat, drink or smoke while mixing. Keep away from children. Read the product label and safety data sheet before you begin.

Measure and mix

Equal parts, stirred until completely clear. Most problems with any epoxy come from the ratio or the stir, so take your time here.

1:1Part A resin to part B hardener, by volume
1 gallonMaximum mixed per batch
5 to 6 minStir by hand, flat edged stick
  1. Measure equal volumes of resin and hardener. Use a graduated container and measure by volume, never by weight and never by eye. Mix only what this pour needs, and never more than 1 gallon combined in one container. Use a new, clean container for every batch.
  2. Stir for 5 to 6 minutes. Scrape the sides and bottom of the container constantly and fold the top layer down into the mix. Stir steadily, do not beat or whip it, which adds bubbles. The mix is done when it is completely clear with no streaks, swirls or cloudiness. Small batches need the same care as a full gallon.
  3. Add color now, if you are using it. Pigmently mica powders and liquid dyes are made for this epoxy. Most other micas and dyes also work, but test them on a small batch first. A little goes a long way; start light and add more. Mix the color in fully before pouring.
  4. Pour right away. You have about 40 minutes of working time once mixed, but that is time to work it on the piece, not time to let it sit. Epoxy left in the container builds heat and sets early. Pour it onto the piece as soon as it is mixed and do your spreading and detail work there.

Leftover epoxy. Mixed epoxy cannot be saved. Unmixed resin and hardener keep for about 6 months in their original containers in a cool, dry place with the lids on. Over time the unused liquid may take on a yellow or amber tint in the bottle. That is normal and does not affect the cured result.

Working in small batches

Most art and craft projects use a few ounces at a time. Measure in small graduated cups, stir the full 5 to 6 minutes anyway, and mix a fresh batch for each color rather than splitting one batch and letting the rest wait. Several small cups of color poured onto a piece at the same time will flow together and blend; pour them in the order you want them to layer.

Seal, pour, clear the bubbles

Porous surfaces get a thin seal coat first. Then the flood coat goes on at 1/8 inch and self levels.

  1. Seal coat porous surfaces. Wood, paper, canvas, cork, dried flowers and anything else porous will release bubbles into the finish unless sealed. Brush on a thin coat of this same epoxy over the whole surface. It does not need to be smooth. Wait 3 hours, then pour the flood coat. Smooth, non porous surfaces such as glass, metal, ceramic and silicone molds can skip the seal coat.
  2. Pour the flood coat. Pour slowly onto the center and let it flow out, guiding it to the edges with a spatula or brush. It self levels to about 1/8 inch and can be poured up to ¼ inch in one coat. Let it run over the edges for an even coating on the sides, and catch the drips on the wax paper.
  3. Clear the bubbles. Wave a propane torch or heat gun about 8 inches above the surface in a continuous motion. Never hold it in one place. Come back every so often and sweep again as new bubbles rise, for up to 40 minutes after the pour. After 40 minutes, stop; heat on epoxy that has started to set burns it.
  4. Cover and leave it alone. Dust and pet hair love wet epoxy. Cover the piece with a box or a plastic tub without touching the surface, and keep the room warm for 72 hours.

Timing

3 hrsAfter seal coatPour the flood coat.
4 to 6 hrsRecoat windowPour the next coat directly on, no sanding.
10+ hrsMissed the windowLightly sand with 200 to 300 grit, clean, then pour.
72 hrsFull cureHandle gently before this. Hard and ready to use after.

Adding more coats

For a thicker finish or to cover added details, pour the next coat 4 to 6 hours after the previous one while it is still slightly tacky. The layers bond as one. If more than 10 hours have passed, lightly sand the surface with 200 to 300 grit, wipe off every bit of dust with rubbing alcohol or acetone, and pour. The new coat fills the scratches and comes out clear.

Project notes. Coasters and molds: pour into clean, dry silicone molds, clear the bubbles, and demold after the full cure. Tumblers: brush or drizzle a thin coat and keep the cup turning on a cup turner until it sets, usually several hours, so it cures evenly without drips. Charcuterie boards and wood: seal coat first, then flood. Photos and paper: seal with Mod Podge before the epoxy or the paper will darken and blotch.

Cure and care

Allow 72 hours before use

Keep the room at 75°F to 80°F for the whole cure. The surface is dry to the touch well before 72 hours but is still soft underneath, so leave it alone. After the full cure it is hard, water resistant and food safe, so coasters, trays and charcuterie boards are ready to use.

Care: clean with warm soapy water and a soft cloth. No abrasive cleaners or scrub pads, and do not try to buff or polish it. Use trivets and coasters under hot items, and never set hot cookware directly on the epoxy. A worn piece can be lightly sanded and given a fresh coat at any time.

Cleanup and disposal

Clean tools, surfaces and spills with acetone, rubbing alcohol or nail polish remover while the epoxy is still liquid. Keep those cleaners off your skin; wash skin with soap and water instead. Once cured it can only be removed by sanding or scraping. Collect spills rather than rinsing them away. Fully cured epoxy goes in regular household waste in most places. Dispose of unmixed resin or hardener according to local rules, never down a drain.

Troubleshooting

Art & Craft Epoxy troubleshooting and repairs
Problem Likely cause and fix
Soft, sticky or tacky after 72 hours The ratio was off, the stir was too short, or the sides and bottom of the cup never got scraped in. A cold room also slows the cure. If the surface is firm but slightly tacky, warm the room and pour a fresh, carefully mixed coat over it. If it is soft like jello, scrape it off, wipe with acetone, and start again.
Bubbles in the finish The surface was not seal coated, the mix was whipped, or the torch was skipped. Small bubbles are not worth chasing. For a flawless finish, lightly sand and pour another coat, torching as it settles.
Dimples, craters or fisheyes Contamination: oil, silicone, wax or an oil based finish on the surface. Sand, clean with rubbing alcohol, and recoat.
Cloudy or hazy Cold room, high humidity, or under mixed epoxy. Warm the room, keep humidity under 85%, and stir the full 5 to 6 minutes. A fresh coat in the right conditions usually clears it.
Uneven thickness The piece was not level while curing. Sand the high side and pour a fresh coat on a leveled surface.
Yellow tint in the bottle Normal for unused resin over time. It does not affect the cured result.

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Important notice: All statements, technical information and recommendations herein are based on tests UltraClear Epoxy believes to be reliable. UltraClear Epoxy does not warrant or guarantee the accuracy or completeness of this information. User is responsible for determining whether this product is fit for a particular purpose and suitable for user's method of application. Because there are many factors that can affect the use and performance of this product, some of which are uniquely within the user's knowledge and control, it is essential that the user evaluate this product to determine whether it is fit for a particular purpose, is suitable for the user's method of application, and meets the user's performance specifications and expectations. UltraClear Epoxy shall not be liable for any loss or damages, whether direct, indirect, special, incidental or consequential (including but not limited to lost profits, business, or revenues) arising out of the use of or inability to use this product.