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Silicone Props

Silicone Props and Doll Fabrication

Platinum silicones, such as our PlatSil Gels and Uni-Sil must be cast into compatible mold materials. Important! Casting Platinum formula silicone into molds that are not compatible will result in cure inhibition (silicone won't cure solid). When in doubt about a specific mold material, perform a small test cure to ensure compatibility.

Resin molds, such as epoxy or urethane resin, are inexpensive mold making options for silicone casting. In this first tutorial we mold a clay severed head using EasyFlo 120 thickened with PolyFiber.

In part 2 of this tutorial we explain the casting process. For larger props, like a severed head, a skin of Gel-25 can be sloshed into the mold and backed up with a core of flexible foam.

PlatSil Gels may also be thickened with TinThix or PlatThix and brushed over props or into molds to create realistic skins. In this tutorial we brush PlatSil Gel-00 over a skull prop to create a realistic skin.

For fast body part props, PlatSil Gels may be cast directly into an alginate mold to create realistic parts. In this tutorial we pour Gel-00 into an Accucast 590 alginate mold to produce a realistic hand cast.

Once a prop has been cast in silicone, it must be painted to create a life-like finish. For this process you can use our Gel-10 painting kit to paint Uni-Sil, Gel-10, Gel-00, and Gel-25 parts.

To add additional realism to your cast and painted silicone part, hair may also be "punched" or glued onto a cast part. In this tutorial we show several ways of applying hair including our hair punching needles.