[Jewelry making - Article 00502] - Re: [Orchid] Environmental sound casting

[Daniel Grandi]

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>      This raises an interesting question. Can silver and gold be cast
>     in a respectful way to nature?  Is traditional casting process
>     respectful to nature? What about standard polishing? 

    Actually, The answer is yes... There are ways to do almost any job in
    an ecological manner. Casting can be done in this way, but many
    manufacturers don't. Many companies use "bombing" , a cyanide based
    method to remove firescale after casting... and as a result, some
    companies dump their cyanides down the drain or use improper
    /incorrect methods to destroy the cyanide before dumping. Silver ,
    left over from the bombing ....if it gets into the sewage system,
    will cause major problems in many sewage plants. 

    Disposal methods for Casting investments can also be done in a
    correct manner a ccording to your state laws... many do not follow
    this, or are not aware of the laws. 

    Many companies do not steam dewax, so the majority of their wax goes
    up the chute. 

    Your lucky DeDe, You can tell your customer that your castings are
    done as ecologically as possible. We don't use any dangerous
    chemicals of anykind ... recover our wax and reuse it for different
    purposes, dispose of our investment according to state disposal laws
    we are in  the process of finding other uses for used investment and
    90 % of the water we use in all other processes are reused through
    various methods until the final amount evaporates. 

    So, Yes,It can be done....... Daniel Grandi    Racecar Jewelry Co.
    Inc.  We do casting, finishing , molds, models, enamel, soldering,
    assembly for designers ,students, jewelers and people in the trade . 
    contact: sales AT racecarjewelry.com


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