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March 8, 2017
A silicone candle mold is a popular project that many customers ask about frequently. For this post, I’ll be doing a one piece clam shell mold from an electric candle. Candle molds can involve more than one part, depending on the complexity of the original. Often, people want to make candle molds from a glass bottle. This can be problematic because silicone will chemically bond with glass. You can apply a thick coat of silicone to silicone mold release to the bottle before pouring the silicone, but if any little spot is missed, the silicone will fuse to the bottle. A safer (but more time and resource consuming) way is to make a latex mold of the glass bottle and then cast plaster into the latex mold. Paint the plaster copy and make a silicone mold from the plaster copy. The electric candle I used as my original for this project is made of wax, which is fine for silicone.
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Even though it got a little messy and I ran a little short on wax, the candle turned out nicely. The important thing is that now I know exactly how much wax I need to melt for the next pour to turn out perfect. I wrote it down in my molding and casting log book so I don’t forget. If you have any questions about this or any other projects, send us an email at AeroMarine Products.com