[Jewelry making - Article 00695] - [Orchid] Silver models in pewter molds

[Greg Miller]

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    We just tried molding some silver models in white metal/pewter,
    black, rubber disk molds and the silver models are sticking to the
    rubber during vulcanization. This doesn't happen with pewter or
    thermoplastic models. We have tried talc as a separating agent with
    no success on silver. Can anyone suggest how we can stop the silver
    models from sticking to the black organic rubber molds? 

Thanks,

 
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