How to Make Epoxy Resin Coasters

Top 3 Best Epoxy Resin for Coasters
Looking for the best epoxy resin for coasters? Whether you’re new to resin crafts or just want a product that won’t crack or bubble—this guide explains everything you need in simple, clear language. We’ve tested top-rated formulas perfect for making heat-resistant, high-gloss resin coasters at home.
What Makes a Great Epoxy Resin for Coasters?
Here’s what to look for when choosing a resin for your coaster project:
- Heat resistance — Withstand hot mugs without marks (120–150°C)
- Crystal clarity — For pigments, glitter, or clear designs
- UV stable — So it won’t yellow in the sun
- Low viscosity — Helps bubbles escape easily in molds
- Surface hardness — Scratch-resistant finish
Top 3 Epoxy Resins for Coasters (Tested & Reviewed)
Model | Mix Ratio | Heat Resistance | Viscosity | Why We Recommend |
---|---|---|---|---|
1608AB-4 | 1:1 | 120°C | Low | Great for beginners using silicone molds |
2028AB | 2:1 | 130°C | Medium | Minimal yellowing with time |
316AB | 3:1 | 150°C | Medium | Glossy top layer ideal for doming |
Step-by-Step: How to Make Epoxy Resin Coasters
- Prepare a clean, dust-free area and place your silicone coaster molds.
- Warm both resin and hardener bottles in warm water for 5–10 mins.
- Mix slowly by hand in a disposable cup using a 1:1, 2:1 or 3:1 ratio as per product instructions.
- Let bubbles rise before pouring. Use a heat gun or torch to pop surface bubbles.
- Let the coaster cure undisturbed for 24–48 hours for best results.
FAQs About Epoxy Resin for Coasters
Will epoxy coasters withstand heat from coffee mugs?
Yes, if you use heat-resistant epoxy resin like 316AB, your coasters can withstand temperatures up to 150°C.
How do I make sure my epoxy doesn’t get cloudy?
Mix slowly, avoid moisture, and work in a warm environment. Let bubbles settle before pouring and use a flame briefly on the surface.
Additional Resources
Learn more from trusted guides like this ArtResin tutorial on coasters or explore our epoxy support center.