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Re: [Orchid] Castaldo VLT Blue Silicone life expectancy  
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From: John Donivan
Date: Thu Feb 21 20:05:21 2008
 
     
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>     The Organic rubbers like Castaldo Gold label (not silicone based)
>     have the best tear strength resistance of all the various types of
>     rubber. 

    I'm particularly fond of Castaldo Gold myself. One other thing about
    molds and rubber - you can melt rubber molds with a hot poker or wax
    pen. You can (in theory you shouldn't have to, but this isn't
    theory) melt away porosity, cracked ring shanks that have been
    molded, beef up ring shanks, remove engraving, thicken sheet metal -
    all sorts of things. Doing this almost always applies to remaking
    old rings, duplicating Grandma's wedding ring, and stuff like that.
    You can't melt silicone molds at all, at least none I've
    encountered. Sometimes it matters.. 

http://www.donivanandmaggiora.com
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