Casting resins cure much more slowly than epoxy resins – with typical cure time in the 36–48-hour range, whereas epoxy resins generally cure in 12–24 hours. However, epoxy resins will begin to gel in about 20 minutes, while casting resins may take up to 18 hours to fully gel. Since casting resins are used for thicker pours, their thinner viscosity enables slower heat dissipation than coating/tabletop epoxy. Notes: Coating epoxies left in a mixing container beyond 5–10 minutes may produce excessive heat. Pouring a coating epoxy too thick could ruin a project as the epoxy could heat up and potentially crack.

ProMarine Supplies

Welcome to the ProMarine Supplies Blog. Here we hope to provide you with inspiration and insight into epoxy resin products, the latest crafting trends, exciting projects, and so much more!

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