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Making a Resin Support Mold

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Uploaded by on Aug 13, 2009

This is the follow up video to our brush on mold video with 71-20 silicone. Here we are making a support shell with 1512 resin thickened with PolyFiber to create a tough, rigid support mold for our flexible rubber mold.

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Uploader Comments (brickintheyard)

  • what is this purple matterial?

  • @TriprosoposMc That is 71-20 silicone. In a previous video we show how to make this 71-20 silicone mold.

  • Can a resin support be made over an alginate mold? I'm using silicone for a final cast, and since it's so pricey I'd rather not waste any making a silicone mold.

    Also, you're videos are great. I'm learning a lot from them, so thanks!

  • @jekulac Since Alginate is water based and temporary I don't think a resin shell would be a good idea.

  • Is this food safe?

  • @kylakae The resin is not. The silicone is non-toxic but it has not been rated for food contact.

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All Comments (18)

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  • cool vid

  • @brickintheyard

    Great, thanks! I'll stick with plaster backing.

  • spell vocano again... child

  • @brickintheyard Thank you for your prompt reply.

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