[Jewelry making - Article 01127] - [Orchid] Debubblizing RTV mould compound

[Russell]

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    I ordered some RTV silicone from Contenti to make molds of some
    objects in white metal. I was told that RTV compounds are prone to
    form bubbles and vacuum debubblizing similar to what is used for
    investment is needed. Any suggestions as to time and technique? 

Russell Trenholme
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