[Jewelry making - Article 01234] - [Orchid] Few details about Enamels...

[CLAIRE DRYSDALE]

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Hello there,

    Can anyone please help me, I am doing my thesis this year and need to
    find out a few details about enamels, I have not been able to find
    anything in books or over the internet. 

    Firstly: Why is there lead and/or heavy metals in enamels? 

    The closest answer, which is a geuss, that I can come to is that it
    either lowers the melting temperature, or enhances the colours. But
    I can't go on that in my thesis. 

    Secondly: Are there any health risks involved in working with
    leaded/meavy metal containing enamels? 

    Lastly: Is it possible to lower the melting point of glass, in order
    to be used on precious metals? 

    If anyone can help me with any of the above topics, I will be
    greatly appreciative! 

Thank you very much for your time,
Claire
South Africa
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