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If you find removing cured epoxy resin from silicone moulds tricky, there are simple methods to make the process much smoother, while also safeguarding your mould’s longevity.
Use a Protective Barrier for Easier Release
To prevent resin from sticking and to make demoulding easier, apply a very thin layer of silicone oil to your clean silicone mould before pouring in your resin. This creates a slick barrier that helps finished resin pieces slide out more easily and also preserves the flexibility of your moulds. For best results, spread the oil evenly using a soft cloth or brush, ensuring no excess pools in the details of your mould design.
If you need a reliable product designed for this purpose, consider using Silicone Oil for Mould Protection and Easy Release – 15ml.
Keep Moulds Clean Before Application
The smoother and cleaner your mould, the easier it will be to demould your epoxy projects. Residues or dust can interfere with both the finish and release. Wipe down your mould with pure isopropyl alcohol before preparing it, and allow it to dry fully. Alternatively, a gentle, natural degreaser can be used to remove oil and residue, ensuring your silicone oil barrier works optimally at every pour.
When This Matters Most
- Working with highly detailed or intricate mould shapes.
- Regularly casting projects for sale or gifts and needing simple, consistent demoulding.
- If you want to extend the usable lifespan of your silicone moulds.
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By spending a little time preparing your moulds, you’ll find epoxy demoulding much more straightforward and help your tools last longer. For more guidance on effective removal and further tips, visit our main guide on removing resin from the mould.