Sculpey Mold Maker (Formerly Known as Super Elasticlay) FAQ

Pros, Cons, Tips, and MSDS Safety Sheet Link

Cons

  • Cured molds made with this will harden over time — frequently reported
  • Not really comparable with flexible silicone molds
  • Will crack with heavy use — frequently reported
  • Is better for more shallow molds rather than deep ones with noses, undercuts, etc — frequently reported
  • Not suitable for molding resin, but OK for polymer clay
  • Not suitable for a children’s art medium — that information is actually on the MSDS safety sheet (see below link)

The Usual

  • Must be used with a mold release like talcum powder or cornstarch both when originally making a mold and then again when molding an item from it
  • Make sure you follow manufacturer’s directions
  • As with other polymer clays, it’s all fine until you burn it, then it can release toxic fumes
  • Use in a clean work area or you’ll get dust on it
  • You have to clean your hands well after using it and before you touch other surfaces
  • Use on a craft mat of some sort, as opposed to on a plastic table or wood furniture with any type of finish on it or it can permanently mar surfaces

Pros

  • Takes detail well
  • Longer open time — does not harden until cured in an oven according to manufacturer’s instructions
  • Can be used to soften clay
  • Can be used to make texture sheets (see tip immediately below)
  • Can be made more flexible with Sculpey Diluent (AKA clay softener) (Now there’s a tip you don’t see many places. Less is more, meaning you can always add more diluent to Mold Maker until it’s at it’s prime for your needs, but be careful not to add too much.)

Try

  • Mixing it with Sculpey Bake & Bend (doesn’t handle repeated baking well)
  • Mixing it with Sculpey Ultra Light polymer clay
  • Mixing it with a smaller amount of Sculpey Souffle

Note: All three — Sculpey Bake & Bend, Ultra Light, and Souffle — are somewhat more flexible than many polymer clays. So I suggest experimenting with adding these three clays so that the molds have a little more flexibility to begin with and over time. Still, using it straight or in a mixture like this is not really comparable to the flexibility of commercially manufactured silicone mold compounds (unless there’s some manufactured to be stiff).

MSDS Safety sheet

 

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