[Jewelry making - Article 00832] - Re: [Orchid] Burnout temperatures and times

[Jwryrubber]

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Hi Russel:

    It is probably a better idea to follow the instructions received
    with your investment. There are variations from manufacturer to
    manufacturer. 

    Often called the "one hour burnout", the dental method is a very
    small, sometimes ringless (no flask) method that uses phosphate
    bonded dental investment. Some major jewelry supply distributors
    have co-opted this process to jewelry applications where you are
    casting a very small flask. With larger flasks there is set procedure
    of times and temperatures dependent on which product you buy. These
    investments are used mostly for platinum and white gold. You can
    find these investments at Dental lab supply houses as well as at
    Jewelry suppliers. 

Regards,
Bill Mull
Zero-D Products, Inc.
http://www.zerodproducts.com
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