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Creating a flawless epoxy resin finish can be hindered by the presence of bubbles. Understanding how to remove bubbles before curing is essential to achieving a smooth, glass-like result in your projects, from jewellery to resin tables.
Where Do Bubbles Come From?
Bubbles can form during the mixing process or when pouring the resin into your mould or onto your surface. Agitation, mixing speed, or pouring over textured materials can all contribute. Bubbles trapped beneath wooden pieces or embedded objects may rise slowly, so awareness and preparation help prevent issues before they set in.
Techniques for Removing Bubbles
- Mix carefully: Stir slowly and scrape the sides of your container to avoid introducing excess air.
- Let resin stand: Once mixed, let the resin settle for a few minutes so bubbles can rise naturally.
- Use a heat tool: Pass a heat gun or chef’s torch at low settings over the resin’s surface to gently pop surface bubbles. Avoid overheating, as this can compromise your work.
- Apply in thin layers: For thicker applications, introduce resin in stages. Products such as the “River-Table” – Complete Kit support pouring up to 5cm at a time, ideal for deep pours with fewer issues when bubbles are managed between layers.
When is Bubble Removal Especially Important?
Bubbles are particularly problematic in clear castings, jewellery, and any work where a glass-like appearance is desired. Decorative objects, resin tables, and pieces with embedded details all benefit from careful bubble elimination.
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By treating bubble removal as a vital step, you can ensure your epoxy resin projects turn out smooth and professional. To dive deeper into perfecting your results, refer to our main guide on how to use epoxy resin.