Wondering how to cast resin into a silicone mold? It isn’t difficult. Here are the easy steps to follow to have you casting resin into silicone molds with awesome success!
Step 1: Select your silicone mold
Silicone molds are great for casting resin. They are very flexible and come in all shapes and sizes. We have a large selection of silicone molds for resin in our store.
Step 2: Apply mold release
Spray a light mist of resin mold release to the mold. Then, let dry for 30 minutes before pouring resin. If you are wondering why you should do this, here are some reasons why I use mold release.
Step 3: Mix and pour resin
Measure and mix your casting resin to pour into your mold. Casting resins are best for these situations because they will release bubbles easier so you can get a crystal-clear resin casting. If you want to learn more, this article explains the differences between doming resins and casting resins.
Pro tip: Resins will shrink a little bit as they cure. Overpour your mold just a bit as that resin will shrink and get closer to level as it cures.
Step 4: Remove bubbles
Go over the surface of the mold with a heat gun to remove bubbles.
Step 5: Let cure
Cover your mold with a box or plastic container to keep hair and dust out of the resin while it cures.
Step 6: Demold the cured resin
Peel the mold away from the resin charm while grabbing a charm edge. Be careful if you are using a soft silicone mold as it can tear if you are too rough.
Step 7: Wash your mold
Wash your mold with soap and water. Shake out extra water, then set your mold aside to dry. Store it flat, away from direct heat and sunlight.
This video shows the techniques I use when casting resin.
Want to learn more about how to cast resin into a silicone mold?
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