Creating thick river tables, countertops, or artwork needing depth and transparency Projects where single pours could lead to overheating without proper product or technique Situations requiring bubble-free, crystal-clear casts in large volumes

Catalysing Resin for Deep Pours: Timing & Best Practices

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How should I catalyse resin for deep pours?

Catalysing resin for deep pours involves more than just mixing and pouring. For thick castings—such as river tables or deep decorative pieces—following dedicated techniques helps prevent incomplete curing, overheating, or bubble entrapment.

Choosing the Right Deep-Pour Resin

For deep casting projects, it’s important to select resins specifically formulated for high-thickness pours. Look for products designed to handle layered applications up to 5cm or 10cm, like the Epoxytable 10-Ten—ideal for single pours up to 10cm without excessive heat build-up. For pours between 2 and 5cm, EpoxyTable 5-Five is more suitable. These resins feature low viscosity for bubble control and longer working times, making them safer and more reliable for large volumes.

Layering Techniques and Curing

If your project exceeds the recommended single-pour thickness (often 5–10cm), pour in stages. Allow each layer to partially cure according to the resin manufacturer’s instructions before adding the next. This helps maintain clarity and prevents overheating or cracks. Always observe the suggested minimum and maximum pour depths to achieve the best results and a flawless finish.

Mixing and Application Tips

Deep-pour resins usually require careful ratio measurements—commonly a 2:1 or other specific hardener-to-resin ratio. Mix slowly to limit air bubbles, and use a mixing container with ample room. After pouring, cover the work area to keep dust away during curing. Fast-setting resins like ICreation Fast Epoxy Resin can save time for shallower details, but for full-depth castings, slower systems offer better control in deep applications.

When This Matters

Creating thick river tables, countertops, or artwork needing depth and transparency
Projects where single pours could lead to overheating without proper product or technique
Situations requiring bubble-free, crystal-clear casts in large volumes

Related guides

How To Catalyse Resin

Using purpose-designed deep-pour resins, layered application, and correct mixing methods ensures safe, stunning results on your thick casting projects. For more support on resin catalysis for various applications, visit our main How to catalyse resin? hub.