How to Sand and Polish Resin to Remove Rough Edges – NorthWood Distributing

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It’s common for resin to have a rough edge after you remove it from a mold. This is because resin tends to shrink slightly as it cures. The resin in the center of the mold will contract, while a small amount of resin will remain around the edges of your mold. Luckily, it's easy to sand and polish epoxy resin!
It’s not uncommon for resin to have a rough edge after you remove it from a silicone mold. This is because resin tends to shrink slightly as it cures. The resin in the center of the mold will contract, while a small amount of resin will remain around the edges of your mold.