[Jewelry making - Article 00386] - Re: [Orchid] Delft Clay Goes Crumbly etc.

[Phillip Scott]

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    Cliff, Delft Clay is not supposed to be quenched in a bucket of
    water.  You can tap the mould and it should crumble apart.  The clay
    that has turned dark should still be ok to cast with.  Do not place
    the mold with a wax pattern in it into your oven.  There is a high
    danger of fire.  It is very possible that since your clay has been
    quenched in water, this has removed much of the essential properties
    that keep the clay workable.  I have known people who have had and
    used their clay kits for some 5-8 years and not had any problems.  My
    understanding from the vendor is that this product can not be
    re-hydrated once dried out.  

Thanks for listening,
Phillip Scott 
Technical Support & Sales
Rio Grande

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