[Jewelry making - Article 01177] - Re: [Orchid] Debubblizing RTV mould compound

[Tim Dwornick]

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    Russell, I have been using the Castaldo liquid pink RTV for most of
    this year, and couldn't be happier! I use the gallon size kit and
    re-order it every three months or so, and learned the hard
    way...follow the manufacturer's directions!! Measure to within a
    tenth of a gram or better, and vacuum debubble according to the
    directions...less time in the vacuum and the bubbles hang on, and
    more time results in the rubber breaking down (with resulting lousy
    waxes!). I haven't used Contenti, but tried a couple of other brands
    and wasn't too happy. I get no shrinkage from the liquid pink, and
    the molds are an easy cut with great detail. I have no experience
    with how long they last, but I have one rubber that has blown me
    well over 250 waxes and did another 20 today with no apparent loss of
    detail. So that's my two cents...follow the directions! the
    manufacturer spends a lot of time and money to help you get the most
    optimal results from the product and it's their loss if they steer
    you wrong. 

Tim Dwornick
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