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Embedding animals in resin is a striking method to preserve natural specimens, but unwanted bubbles can easily spoil the result. With the right preparation and resin techniques, you can achieve a beautifully clear, professional finish.
Seal the Animal Thoroughly
Dried animals often contain porous surfaces or trapped air. To minimise bubbles, first ensure the specimen is fully dried. Apply a clear sealant or a light coat of resin to all surfaces and allow this to cure before embedding. This seals in remaining air and creates a barrier that prevents bubbles from escaping during pouring.
Pour in Thin Layers and Degas if Possible
Pooring your resin in thin layers, allowing each to partially cure before topping up, helps trapped air escape gradually rather than rising suddenly. For best results, gently stir your mixed resin to avoid introducing fresh bubbles. If you have access to vacuum or pressure equipment, degas your resin before pouring or use a pressure pot to help remove tiny bubbles.
Choosing a low-viscosity resin—like EpoxyTable 5-Five—also assists in minimising bubbles, as the thinner consistency allows air to rise and escape more easily.
When Bubble Prevention Matters Most
- When working with intricate or delicate animal specimens
- For pieces intended as keepsakes or display art
- When aiming for maximum clarity and professional finish
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By following careful preparation and pouring techniques, you can achieve stunning, bubble-free animal resin castings. To explore a full range of resin options and specialist guides, visit our main page on embedding animals in resin.