Silicone Molds for Resin

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About this category
At a glance

Silicone molds for resin are flexible, so you can remove the casting easily; according to the manufacturers, many of them are reusable. Some are also suitable for plaster and concrete, and the rectangular container for Jesmonite too. You can make your own mold from ARTMIE Mold mate silicone putty.

Silicone molds for resin give your casting its shape – from pendants and jewelry to coasters, trays and geodes. Below you will find molds sorted by what you want to make.

Which silicone mold for resin should you choose?

For Shape Examples
Jewelry and pendants gemstones, pendants, keyrings Pentart gemstone · pendants with key rings · jewelry 9.9 × 6.3 cm
Trays and coasters larger pieces for your home Pebeo tray · Pebeo coasters · rectangular container 25.7 × 9.1 cm
Geodes the irregular shape of a stone geode
Ornaments and flowers shallow decorations ornament 1 · flowers 39.5 × 8 cm · 4 roses
Your own mold an impression of any object ARTMIE Mold mate 400 g

You will find resin, pigments and tools in the Epoxy Resin for Casting category.

Frequently asked questions

Can a silicone mold be used more than once?

For many molds, the manufacturers state flexible silicone and repeated use – for example Pentart molds, the rectangular container and Mold mate putty. You can remove the casting from a flexible mold without damaging its shape.

What can you cast in a silicone mold?

Most often epoxy resin. According to the manufacturers, several molds are also suitable for plaster and concrete, and the rectangular silicone container for Jesmonite too.

How do I make my own silicone mold?

With the ARTMIE Mold mate kit: mix the white and blue components by hand in a 1:1 ratio, wrap the putty around the object within 3 minutes and leave it to cure for 20–30 minutes. The ideal temperature is 25 °C.

When should I remove the resin from the mold?

It depends on the resin – Pentart Super Glass after 24 hours, Pentart fast-curing resin after just 1–2 hours. Super Glass then keeps hardening for another 48 hours, while the fast-curing resin is fully hard after 3 days.

Epoxy Resin Modeling and Casting