9 Best Epoxy for Coasters | Shine That Won’t Yellow

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Making resin coasters is a blast, but the wrong epoxy turns a fun afternoon into a sticky, cloudy mess that wastes your molds and your money. The right resin self-levels and cures to a glass-smooth, boutique-quality surface. This guide ranks the epoxies that deliver a crisp, high-gloss finish without the frustration, matching each to your skill level and project size.

I’m Mohammad Maruf — the founder and writer behind Gardening Beyond. This guide is built by comparing the manufacturers’ published specifications and the patterns across verified customer reviews, so you get each pick’s real strengths and trade-offs instead of marketing spin.

From beginner-friendly kits with molds to professional-grade gallons that resist yellowing, here is the honest breakdown of the best epoxy for coasters to match your next resin project.

Our Picks at a Glance

Craft Resin Table Top Epoxy Resin Kit
Best OverallCraft Resin Table Top Epoxy Resin Kit4.6★981 ratingsThe crowd-favorite gallon that pours glass-clear and shrugs off yellowing with UV protection built in. This gallon-size pick delivers a mirror-like, UV-resistant finish that owners say stays crisp for years.Check Price on Amazon
HeyClear 18oz Epoxy Resin Kit Molds Complete Set
Best Starter KitHeyClear 18oz Epoxy Resin Kit Molds Complete Set4.6★666 ratingsA full 83-piece starter bundle that gets you pouring coasters the same day it arrives. If you are new to resin, this kit removes every excuse not to start.Check Price on Amazon
LET'S RESIN 16oz Epoxy Resin Kit with Coaster Molds
Coaster KitLET’S RESIN 16oz Epoxy Resin Kit with Coaster Molds4.5★785 ratingsA purpose-built coaster kit with molds sized right for most cups and a beautifully packaged unboxing. This is the set that understands its job: it is built specifically for coasters, and it shows.Check Price on Amazon

How To Choose The Best Epoxy for Coasters

Coasters are small, but they demand a lot from your resin. You need an epoxy that self-levels to a flat surface, releases trapped air easily, and cures hard enough to handle hot mugs and daily condensation. The choices come down to a few key specs that make or break your finished coasters.

Working Time and Pot Life

This is the window you have to pour, add mica powder or glitter, and pop bubbles before the resin starts to thicken. A 45-minute working time feels relaxed for a set of coasters, while a 20-minute window forces you to work quickly. Beginners should look for a longer pot life to avoid a half-poured coaster that cures in the cup.

Full Cure Time vs. Demold Time

The resin will feel dry to the touch long before it is fully hardened. Many epoxies reach a touch-dry state in 24 hours, but a full cure takes 48 to 72 hours. You can demold coasters when they are firm, but you should wait for the full cure before sanding or polishing to avoid ruining the glossy finish.

UV Resistance and Clarity

Nothing ruins a clear coaster faster than a yellow tint that develops after a few months in the sun. Look for resin with added UV stabilizers, which slow down that yellowing and keep your coasters looking glass-clear for years. This matters most if your coasters will sit on a sunny coffee table.

Quick Comparison

Model Best For Size Working Time Full Cure Amazon
Craft Resin Table Top★ Best Overall High-gloss top coats 1 Gallon Self-Leveling 48 hours Amazon
HeyClear 18oz KitBest Starter Kit Complete starter sets 18 oz 1:1 Simple Mix Overnight Amazon
LET’S RESIN 16oz KitCoaster Kit Coaster molds included 16 oz 1:1 Simple Mix 8-24 hours Amazon
Superclear Table Top UV-resistant coating 64 oz 1:1 Simple Mix 24 hours Amazon
INCLY Epoxy Resin 45-min work time 1 Gallon 45 minutes 24 hours Amazon
KISREL Epoxy Resin Kit All-in-one accessory kit 82 oz 1:1 Easy Mix 24 hours Amazon
Stone Coat Countertops Heat-resistant coating 64 oz Long Working Time 48 hours Amazon
Beast Bond Epoxy Deep cast durability 2 Gallon 40 minutes 24-48 hours Amazon
Alumilite Amazing Clear Cast Professional clarity 1 Gallon Slower Cure 72 hours Amazon

In‑Depth Reviews

★ Best Overall

1. Craft Resin Table Top Epoxy Resin Kit

Our pick — over 4.5★ from 950+ verified ratings; the strongest balance of quality and price.

1 GallonUV Resistant

The crowd-favorite gallon that pours glass-clear and shrugs off yellowing with UV protection built in.

This gallon-size pick delivers a mirror-like, UV-resistant finish that owners say stays crisp for years. At a full 1-gallon size, it is a serious investment for someone who wants to coat not just coasters but bar tops and art pieces without running out halfway through the project. The kit even comes with a mixing stick, spreader, manual, and gloves, so you are not hunting for tools on your first pour.

What wins people over is the ease of the whole process — the quality gets the most praise, followed closely by how straightforward it is to use. The 1:1 mix ratio is genuinely simple, and the self-leveling formula with a low 3800 CPS mixed viscosity (a measure of how thinly it flows) helps it settle into an even coat while natural defoaming pushes bubbles to the surface. Buyers report the finish is scratch-resistant and “touch-dry 24h, hard 48h,” which means your coasters are ready to demold in about two days. It also withstands heat up to 203°F, so a hot mug fresh off the stove won’t damage the surface.

The trade-off: it’s a top-coat resin, so you must pour thin 1/8-inch layers, not deep casts. If you want chunky coasters with thick dimensions, you will need to pour multiple thin layers and wait between them, which stretches out the project timeline. That is a small patience tax for a finish owners call nearly odorless and durable, with leftover resin hardening well in the bottle.

What Owners Love

  • UV resistant formula prevents yellowing over time
  • Self-leveling with minimal bubbles for a flawless coat
  • Scratch-resistant, rock-hard finish within 36 hours

The Patience Factor

  • Best poured at a thin 1/8-inch depth per layer
  • Full hardness takes 48 hours before sanding

Grab it for: glossy top coats on coasters, bar tops, and art pieces where clarity and durability are non-negotiable.

Think twice if: you want to cast thick blocks in one pour — this one prefers thin, layered coats.

Best Starter Kit

2. HeyClear 18oz Epoxy Resin Kit Molds Complete Set

18 oz Kit5 Molds

A full 83-piece starter bundle that gets you pouring coasters the same day it arrives.

If you are new to resin, this kit removes every excuse not to start. It packs 18 oz of epoxy resin, 5 silicone molds, a silicone mat, gold foil paper, 12-color glitter, 12-color chunky glitter flakes, 18 dried flowers, measuring cups, wooden sticks, gloves, droppers, and tweezers — enough to make a whole set of coasters and then experiment with jewelry and art pieces. Owners consistently describe it as a complete, fun starter set with plenty of materials to learn on before you buy more supplies.

The quality here is genuinely impressive for the price point. The resin is crisp, cures hard with a shiny, transparent surface, and is formulated for low odor and few bubbles. People note it cures glossy and glass-like overnight, which is a fast turnaround for a beginner project. Since this set holds 18 oz versus the 16 oz in the LET’S RESIN kit below, you get roughly 12% more resin to play with — a small edge that matters when you are learning and making mistakes.

The recurring note in the reviews is that the resin and hardener bottles are a bit smaller than people expect, and the set is best for small projects. It is also worth knowing you will want a heat gun or torch to pop the stubborn bubbles that surface during pouring — it is not included, and one buyer specifically mentions wishing that was flagged on the box. Set up outside or in a ventilated space, and this kit will have you hooked.

Best for beginners: the kit includes every tool, mold, and embellishment you need, so your first coaster project is a one-box purchase rather than a shopping list.

Coaster Kit

3. LET’S RESIN 16oz Epoxy Resin Kit with Coaster Molds

16 oz KitMolds Included

A purpose-built coaster kit with molds sized right for most cups and a beautifully packaged unboxing.

This is the set that understands its job: it is built specifically for coasters, and it shows. The kit includes a 16 oz epoxy resin, coaster molds in different shapes, mixing cups, mica powder, golden flakes, and gloves — everything needed to pour a set of six coasters and then some. The molds are described as the perfect size for coasters or small trays, large enough for most cups, and the finished coasters come out extremely sturdy. The unboxing experience itself is a highlight, with owners calling the packaging excellent and everything arriving well-packed with nothing missing.

The resin itself is beginner-friendly with a simple 1:1 volume mix and an anti-foaming agent that helps the finished product come out bubble-free with high-gloss, crisp transparency like glass. People appreciate the easy-to-follow instructions and the fun mica powders for coloring. One owner noted that the coasters turned out great and the kit has lasted for several other projects beyond the original six, so there is real mileage in the bottle.

The caveat: the silicone molds are slightly warped, noticeable but not enough to ruin a project. It is the kind of imperfection that is fine for practice and personal gifts but not ideal if you plan to sell your coasters. This set is best treated as a low-pressure way to get a taste of resin crafting, not a professional production tool.

Perfect for practice pours: the ease of use and included molds make it a joy for a resin novice, though the slightly warped molds mean it is not for resale work.

UV Resistant

4. Superclear Table Top Epoxy Resin 64 oz Kit

64 ozMade in USA

An American-made 64 oz coating with UV stabilizers that keep tabletops and coasters clear for years.

For surface-coating projects, this is a heavy hitter. Superclear is a self-leveling 1:1 epoxy that cures to a glass-like, high-gloss finish, and it is built with advanced UV stabilizers that help the cured surface resist yellowing over time — a critical feature for coasters that live on a sunny table. It is made in the USA by Fiberglass Coatings, LLC in Saint Petersburg, Florida, backed by over 60 years of resin manufacturing expertise, which gives it a credibility edge for buyers who care about sourcing. Once fully cured, the surface is food safe, so you can use these coasters confidently at a dinner party.

The reviews frequently praise the crisp results and the durability, with people noting it works great for redoing yellowed countertops and coating tree-trunk tables. Owners found that the instructions are clear and accurate, and the final result is a durable, smooth surface. The quality of the finish is the most-mentioned positive, followed by how well it functions for a variety of coating jobs — it is a dependable workhorse for anyone doing multiple projects.

The catch is that this resin is thicker than some alternatives, which means bubbles can be harder to remove if you are working in cooler temperatures. Buyers consistently recommend warming the surface to above 70°F before pouring, using a torch to pop bubbles, and pouring in thin coats. It takes effort to get a perfect result, but the pay-off is a professional, scratch-resistant finish that does not yellow.

A coating specialist: this one rewards careful technique with a crisp, UV-stable finish perfect for coasters and counters.

Best Work Time

5. INCLY Epoxy Resin 1 Gallon

1 Gallon45-min Work Time

A generous 45-minute working window and food-grade safety in a budget-friendly gallon size.

Time is the luxury here. INCLY gives you a full 45 minutes of working time at room temperature, which is a huge comfort zone for mixing in mica powder, arranging dried flowers, and carefully pouring your coasters at a relaxed pace. The kit comes with 0.5 gallon of crisp resin and 0.5 gallon of hardener, both meant to be mixed at a simple 1:1 ratio by volume. It is also food-grade, made with non-toxic materials, completely odorless, and non-flammable — a reassuring profile for your first resin project.

Owners are enthusiastic about the clarity and how easy it is to mix, with one experienced user calling it the best resin they have used in 60 years. People frequently praise how bubble-free it cures, noting that trapped air rises to the surface and escapes quickly, leaving a flawless, glossy finish. It self-levels and is described as “hard as a rock” once cured, and it resists heat up to 203°F, so your coasters stay beautiful under hot mugs. The 1-gallon size is ideal for multiple projects, and several owners mention repurchasing larger kits after a successful first batch.

The main note from a few owners is that the bottles are large, so handling the pour can be a little unwieldy for tiny projects — one person went back to a smaller version for easier handling. It is also on the softer side for very small cast pieces like hairsticks, though that is not a concern for flat coasters. For the price, you get a durable, clear, food-safe resin with a forgiving work time.

Relaxed pouring: the 45-minute work time makes this the friendliest gallon-size epoxy for beginners who want to take their time with colors and placement.

Accessory Rich

6. KISREL Epoxy Resin Kit 82OZ

82 ozPigments Included

A generous 82 oz supply with pigments, glitter, and pump tops that make repeated pours easy.

If you plan to make coasters regularly, this kit is built to keep you stocked. It includes 41 oz of clear resin and 41 oz of clear hardener alongside pigments, mica powder, glitter, a pump head, measuring cup, silicone wand, spatula, gloves, stirring rod, tweezers, and a tablecloth — genuinely everything you need to start, with enough volume for many batches of coasters. The included pump tops are a standout feature that owners specifically love, since they make dispensing resin and hardener cleanly and accurately without messy bottle wrestling.

The resin itself is crisp, easy to mix with a 1:1 ratio, and has a self-defoaming, self-leveling function that keeps bubble trouble low. Owners note that the powders and inks have vibrant colors that blend well into the resin, and that the set is an amazing beginner bundle. The cured surface is glossy with a perfect texture, no yellowing, high-temperature resistance, and wear resistance — ideal for coasters that get handled daily. It dries in 8 hours and cures fully in 24 hours, which is on the faster end of the spectrum.

The mixed feedback centers on curing time and consistency — some owners find it dries crisp and fast, while others report slower curing or some bubble issues depending on their technique. You get about 30 minutes of comfortable working time before the resin starts to thicken, so it pays to have your design ready before you mix. It is an excellent value that owners recommend buying again.

Keep it stocked: the volume, pigments, and pump tops make this the set to grab if coasters are becoming a regular hobby rather than a one-time experiment.

Zero VOC

7. Stone Coat Countertops Epoxy Resin Kit

64 ozZero VOC

A countertop-grade epoxy with a 64 oz supply and a long working time that pros appreciate.

This one is a performance pick for people who want a longer working time and a finish you can trust. Stone Coat has a 64-ounce supply (one-half gallon kit) that self-levels at a 1:1 mix ratio, and it is loaded with features: heat-resistant, scratch-resistant, UV-stable, and resistant to yellowing. The most praised aspect by a wide margin is the working time — owners love that they have ample time to work with the resin before it kicks. Its zero VOC formula means it lacks Volatile Organic Compounds, and it is USDA approved, which is a big deal for anyone who wants to avoid harsh chemical fumes in their craft space.

People describe the finish as beautiful and high-gloss, with owners successfully using it on bathroom countertops and outdoor concrete with no odor and easy mixing. One builder noted that as long as you watch the tutorials and prep properly, it “does what it says.” The UV stability and clarity are praised by a professional artist who passed it through outdoor durability tests with no yellowing. Because it self-levels and resists bubbles, it creates a flat, even surface ideal for coasters that need to sit flush on a table.

The trade-offs are real. The product is clearly positioned at the premium end, and some owners find it expensive for everyday hobby use. Durability gets mixed feedback — some find it incredibly durable while others note it can scratch more easily than expected. A few owners also say the self-leveling is not perfect, with bubbles reappearing despite using a heat gun, so patience and careful technique are required for a flawless pour.

For the meticulous crafter: the long working time and zero-VOC formula are worth the premium if you value safety and a deliberate, unhurried pour.

Deep Cast

8. Beast Bond Epoxy Resin 2 Gallon Kit

2 Gallon40-min Work Time

A serious two-gallon kit that cures harder and faster, favored by wood turners and artists.

For anyone moving beyond basic coasters into thicker pours and larger projects, Beast Bond is the performance upgrade. This professional-grade kit includes a full 1 gallon of resin and 1 gallon of hardener, along with mixing sticks, a spatula, four measuring cups, five pairs of gloves, a silicone stirrer, pipette droppers, and a step-by-step manual. The formula gives you a 40-minute working time and cures in 24-48 hours, with a self-leveling, ultra-glossy finish that needs no polishing. It is ASTM D-4236 compliant, meaning it meets safety standards for art materials, and it is non-toxic, non-flammable, and free of VOC fumes.

The praise here is remarkably consistent — quality, curing performance, and bubble-free results are all called out. A wood turner reports that it turns beautifully on the lathe and costs a fraction of a big-name alternative, while a resin artist calls it “crisp with no yellowing or fog” and notes it handles flowers, glitter, and mica beautifully. People love that it dries to the touch much quicker than other brands, forms fewer bubbles, and results in a glass-like, scratch and moisture-resistant finish. It is the top choice for coasters that need to survive real life, from hot drinks to ring stains.

The main trade-off is the 2-gallon size. This is a 2-gallon kit, which is a lot of resin for a beginner making a single batch of coasters. It is an investment in a serious hobby, not a dabbler’s first kit. The 48-hour full cure also requires patience — owners note it is worth the wait for a hard, non-brittle surface that will not yellow.

Why It Wins

  • 2-gallon supply with all tools included
  • Fast touch-dry, low-bubble, high-gloss finish
  • Deep-cast capable for thicker river-style coasters

Who It Skips

  • Too large and pricey for a one-time project
  • Full cure takes up to 48 hours

Built for volume: the 2-gallon size and strong curing performance make it the pick for dedicated crafters and woodworkers making coasters in batches.

Pass for now if: you just want to try resin once — the upfront commitment is bigger than a small starter kit.

Pro Clarity

9. Alumilite Amazing Clear Cast Plus 1 Gal

1 GallonUV Resistant

The industry-leader in clarity with a slower cure that lets every bubble escape before it sets.

When clarity is the only thing that matters, Alumilite is the name pros reach for. This 1-gallon kit is industry-leading for clarity, with added UV resistance that slows down yellowing and keeps your coasters vibrant. The formula is easy to use with a simple 1:1 ratio by volume, and its slower cure is the secret weapon: it gives air bubbles more time to escape, resulting in a beautifully clear cast. Owners who make tumblers and molds swear by it, noting it produces no pooling or lumps and a hard, glossy finish.

The reviews highlight how well it accepts color — you can customize it with Alumilite dyes, alcoholic inks, or other non-water-based colorants, and it handles alcohol ink and mica beautifully. A creator who has run through 50 tumblers calls it the only brand they use after two other brands failed them. It is also praised for having no smell, being easy to pour into small crevices, and responding perfectly to a heat gun for bubble removal. For preserving trinkets or making personalized gifts, the ability to encapsulate items in crisp resin is a standout feature.

The premium price is the main hurdle, but owners say the superior clarity justifies it for keepsake pieces. The slower cure time (up to 72 hours for full hardness) doubles as both a feature and a patience requirement — you cannot rush it to the demold stage. There is also mixed feedback on reusability, with some owners noting leftover resin does not always go as far as expected.

For the clarity purist: the class-leading transparency and UV resistance make this the professional choice, provided your budget and patience can match its pace.

Understanding the Specs

Working Time (Pot Life)

This is the total minutes you have after mixing resin and hardener before the blend thickens into a gel. A 20-minute pot life means you must work fast; a 45-minute pot life gives you room to arrange flowers and sprinkle glitter. Beginners should always choose a longer working time to avoid a sticky, half-poured mess.

Mix Ratio

Nearly every coaster resin uses a 1:1 ratio by volume, meaning equal parts resin and hardener. This simple math eliminates guesswork and is the main reason these kits are beginner-friendly. Precise measuring is still essential — a wrong ratio means the resin never cures hard.

UV Resistance

Sunlight breaks down clear epoxy over time, causing a yellow tint. Resins with added UV stabilizers slow this process dramatically, keeping your coasters glass-clear for years. If your coasters will sit in a bright room or near a window, this feature is not optional.

Viscosity

This measures how thick or thin the liquid resin is. A lower viscosity (like 3800 CPS) flows more easily, self-levels better, and releases trapped air bubbles more readily. It makes the difference between a smooth, glossy coaster and one with pockmarks and uneven edges.

FAQ

How much epoxy do I need for a set of coasters?
A 16 oz kit is generally enough for a single set of six coasters plus a little extra for mistakes. The LET’S RESIN kit includes 16 oz and is described as sufficient for several projects, while an 18 oz kit like HeyClear gives you roughly 12% more resin to work with. If you plan to make coasters regularly, a 1-gallon or 82 oz kit offers far better value per pour.
Can I use tabletop epoxy for coaster molds?
Yes, but with one important limit. Tabletop epoxies are best poured in thin layers around 1/8 inch thick, as the Craft Resin instructions recommend. For shallow coaster molds, this works perfectly. For thick, chunky coasters, you need a deep-pour casting resin like Beast Bond that can cure in thicker sections without overheating or cracking.
How long does epoxy take to cure for coasters?
Most resins are touch-dry within 24 hours, but a full cure takes longer. Craft Resin is touch-dry in 24 hours and hard in 48 hours, while KISREL dries in 8 hours and cures in 24. Alumilite’s slower cure takes up to 72 hours for full hardness. Wait until the full cure before sanding or polishing.
Why does my epoxy coaster feel sticky after drying?
A sticky surface is almost always the result of an incorrect mix ratio. These kits use a 1:1 ratio by volume, and even a slight imbalance leaves uncured resin on the surface. It can also happen if you work in cool temperatures or pour too thick a layer for a tabletop resin. Check your measurements and room temperature before pouring.
How do I get bubbles out of my resin coasters?
A heat gun or torch passed quickly over the surface after pouring pops most bubbles instantly. Several resins, including Craft Resin and INCLY, have self-defoaming properties that help bubbles rise naturally. Let the resin sit for a few minutes after mixing so bubbles can escape before you pour.
Is epoxy resin food safe for coasters?
Many epoxies are food safe once fully cured. Craft Resin is food safe when fully cured, and INCLY is food grade with non-toxic materials. Superclear is also food safe after cure, suitable for serving boards. Always confirm the specific product is food safe before using it for items that contact food directly.
What is the difference between UV resistant and non-UV resin?
UV resistant resin contains stabilizers that slow down yellowing when exposed to sunlight. Non-UV resin will develop a yellow or amber tint over time, especially in bright rooms. Coasters on a coffee table near a window will benefit from the UV-resistant formulas found in Craft Resin, Superclear, and Alumilite.
Can I use mica powder and glitter in these resins?
Yes, these resins are made for customization. INCLY recommends adding resin pigment or mica powder during the 45-minute working time, and LET’S RESIN kits include mica powder and golden flakes. KISREL ships with pigments and glitter included, and Alumilite works well with alcohol inks and mica for vibrant color.
How long do resin coasters last?
With proper care, resin coasters last for years. Heat-resistant formulas like Craft Resin withstand up to 203°F without damage, and the scratch-resistant finish holds up to daily use. UV-resistant formulas prevent yellowing, so the clarity is maintained even with regular exposure to sunlight.
Do I need a pressure pot for bubble-free coasters?
No, a pressure pot is not needed for flat coasters. A heat gun passed over the surface after pouring pops most bubbles, and resins with low viscosity and self-defoaming properties handle the rest. A pressure pot is mainly useful for deep casting projects where bubbles are trapped far below the surface.

Final Thoughts: The Verdict

The overall winner for most coaster makers is the Craft Resin Table Top Epoxy because it pairs a brilliant, UV-resistant finish with a forgiving 1:1 mix and fast cure in a generous gallon size. If you want a complete all-in-one beginner experience, grab the HeyClear 18oz Kit and start pouring the day it arrives. And for a deep-cast, seriously durable option, the Beast Bond 2 Gallon Kit gives you the volume and hardness to take your coaster crafting to the next level.

How We Picked

We do not accept paid placement. Every pick is matched to a real buyer and a real use-case; we do not hands-on test units.

Sources & Methodology

Specifications: manufacturer listings and product documentation. Review insights: verified customer reviews, as of September 2026. Pricing: not shown on this page (it changes often); check the current price via the retailer link.

As an Amazon Associate, Gardening Beyond earns from qualifying purchases. This does not affect which products we feature.

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