[Jewelry making - Article 00098] - Re: [Orchid] Tension release fomula

[Peter W . Rowe]

========[ Invite a Friend - http://www.ganoksin.com/invite.htm  ]========


    Jim, if you're using standard casting investments like Satin cast 20,
     Romanoff, Americast,  or similar products from other manufacturers,
    you probably don't really need a "tension release". Also called
    "debubbleizers",  these things were needed many years ago, before the
    investment formulas included surface tension reducers.  But so far as
    I've been told, all the modern decent investment formulas include
    such agents, and adding more to your wax does little good,  and can
    actually cause problems with some investments (platinum type
    phosphate bonded ones especially).    In general, if you're having
    trouble with air bubbles, the problem isn't a lack of surface tension
    releasing agents,  it's more likely one of inadequate vacuuming, or
    improper investing procedure. 

Peter


____________________________________________________________________
T h e   O r c h i d   L i s t
Open Electronic Forum for Jewelry Manufacturing Methods and Procedures
____________________________________________________________________
Orchid FAQ:
~ http://www.ganoksin.com/orchid/faq.htm
Orchid Archives:
~ http://www.ganoksin.com/orchid/archive
Orchid Galleries:
~ http://www.ganoksin.com/orchid/gallery.htm
Invite a Friend:
~ http://www.ganoksin.com/invite.htm
____________________________________________________________________
Tips From The Jeweler's Bench - Article Archive
~ http://www.ganoksin.com/borisat/tip_sear.htm
The Jeweler's Selected Bibliography List
~ http://www.ganoksin.com/jewelry-books
Buy Orchid Jewelry:
~ http://www.ganoksin.com/shop
____________________________________________________________________
-Unsubscribe:
-Email: orchid-request AT ganoksin.com Body=unsubscribe subject=blank
____________________________________________________________________