Can silicone mold be used for resin? Using silicone molds for resin production is easy if you have instructions that are read and understood!
The most important things to know about silicone molds for resin production is that they must be clean; they must be absolutely dry; and they must be thick enough to support your casting needs.
Too thin and your molds will not hold and too thick and your casting will not take place. Follow these instructions to the letter and your resin products will arrive on time and on budget.
Can silicone mold be used for resin?
Apply hot glue to both ends of the original mold you made from stiff plastic or cardboard and place it in your cast box. You need a roomy space between and underneath the mold. So your silicone molds for resin casting will be air tight.
Carefully remove your mold piece from its backing and you will be left with a great custom silicone mold. Cut out the insides of your large silicone molds for resin casting and use those pieces as guide lines for your cutting. These mold making instructions will allow you to cut your molds to exact sizes as needed for your resin casting project.
After your large silicone molds for resin production are cool and dry, you will want to carefully clean them and then lay them out to dry. The best thing to do is lay them out in the sun for a few days to dry completely.
When your large resin molds for resin production are completely dry, lay them out on a workbench and make sure that the edges are smooth and that no tiny cracks appear.
Smooth edges provide a good working surface for your cutting tools. This is the beginning of producing your custom silicone molds for resin casting.
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