Our epoxy resin coffee bean coaster tutorial is easy to follow and guides you through all you’ll need to know to make this really easy and rewarding project.
Project time: 48 hours
Difficulty level: Easy – perfect for beginners
What you’ll need:
- Epoxy Resin
We love Apex Resin. You can use code RESINFORBEGINNERS to get 15% off.
Epoxy resin typically comes in two parts: Resin and Hardener or part A and part B as you may see it referred to.
The ratio you will need to mix your resin will depend on the type of resin you buy. Typically 1:1 epoxy resin is the easiest to work with. - Resin Moulds
Moulds are available in various shapes and sizes. Silicone moulds are best for making coasters and will add a smooth shiny finish.
The Lets Resin coaster mould set gives you both round and square moulds to try with holders. We found they were great quality which meant that they held up well when you pour the resin in and do not lose their shape. - Mixing Cups
Use disposable plastic or reusable silicone mixing cups for mixing the resin. We like to save yogurt pots too but make sure they’re washed really well.
TIP: Silicone cups are really easy to clean. You can either let them dry and pull the cured resin out or you can use alcohol spray and baby wipes to clean while still wet. - Stir Sticks
Silicone stirrers are best for mixing resin as they create the least amount of bubbles but are also easy to clean. You can also use plastic or wooden lollipop sticks. - Heat Gun, lighter or isopropyl spray
Heat guns are a quick way to remove air bubbles from the resin. Make sure it is a crafting heat gun you buy rather than a DIY heat gun as they can be too powerful and will melt moulds and damage your resin. Isopropyl alcohol spray is a great alternative that is less likely to cause damage to any mould and can also be used to help clean your equipment. - Protective equipment
Wear gloves, safety goggles, and work in a well-ventilated area not around children or pets. You may choose to use a respirator mask if your chosen resin is not free from VOC’s or toxins. Read more about resin safety here. - Measuring Scale / Measuring Cups
Resin will either need to be measured in volume or weight. Always check your instructions as this will vary between brands and sometimes even between resin type.
@resinforbeginners Coffee beans and epoxy resin. Excited to see how these coasters turn put ☕️#epoxyresin #apexresin #coffee #tynemouthcoffee #resin #resinforbeginners #resintutorial #asmr #epoxyresin #resinpour #resinpouring #resincoasters ♬ A Cup of Coffee – Muspace
Step by step guide:
- Prepare Your Workspace:
Cover your work surface with plastic. Clingfilm works well for this. Make sure the area you are working in is well-ventilated. - Safety First:
Put on gloves and safety goggles. Epoxy resin can be harmful to your skin and eyes. A respirator mask is also recommended for resins that contain toxins or VOC’s. If you’re unsure, check the guidelines for the type of resin you are using. - Measure and Mix:
IMPORTANT TIP: Because coffee beans will float – this project should be made in two parts to prevent the beans floating to the top and not being covered. Make up half of the required resin in your first batch. Once cured half your resins’ cure time, you can mix and pour your second layer.
Next, measure the epoxy resin and hardener according to the instructions on the packaging. Typically, most beginner crafting resins will be a 1:1 ratio and measured by volume.
Use separate cups for the part A and part B then combine them in a third cup.
Stir the mixture slowly for about 2-3 minutes. Making sure you scrape the sides and bottom of the cup. You want the mixture to be clear and streak free. If it is not, then it is unlikely to set properly or may be cloudy when it sets. Stirring slowly will reduce the number of bubbles in your mixture. - Add the Coffee Beans:
Add your coffee beans to your cup. Let sit for 5-10 minutes to release most bubbles. - Pour Resin into Moulds:
Pour the resin mixture into your moulds. Fill half way up each coaster mould. - Remove Air Bubbles:
Use a heat gun or heat torch to carefully pass the flame over the resin’s surface. This will help eliminate air bubbles. Be cautious not to overheat the resin or get too close to it or you’ll damage the resin and mould. - Let It Half Cure :
Allow the resin to cure for half of your brands cure time. This will anchor your coffee beans and ensure they don’t float to the top of your second layer and are covered. - Mix and Pour Layer Two:
Mix, pour and remove bubbles again. Leave to cure the full cure time this time. - Demould:
Once the resin is fully cured, carefully remove the coasters from the moulds. Silicone moulds are flexible, making it easier to pop the coasters out. - Final Touches:
If there are any rough edges or imperfections, you can sand the edges of the coasters gently. Avoid sanding much or you will have to add a top coat. We add silicone dots to the bottom of my coasters to ensure surfaces are protected and the coasters are steady. - Enjoy Your Resin Coasters:
Your resin coasters are now ready to use! They make great gifts or home décor.
TOP TIPS:
Remember to follow safety precautions when working with epoxy resin and be patient during the curing process. Experiment with different colours and designs to create unique coasters.