mold release

  1. mechanical plan

    Mold Release Options

    So I'm halfway through a two part plaster mold. I've never made a two part before and I was going to use spray silicone as a release between layers. Starting to second guess myself now. Any advice on the if that will work? Probably something I should have tested or considered before this stage...
  2. helix_3

    Is mold release beneficial when the item easily releases?

    I'm casting Crystal Clear 202 urethane resin in Mold Star 16 platinum silicone. It's an open back mold, and the object has small angular details. The object releases easily from the mold, I only have to flex the mold about 30 degrees to remove things. Under these circumstances, does mold...