[Jewelry making - Article 00476] - Re: [Orchid] Delft Clay Goes Crumbly etc.

[brian]

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>         I may be wrong but I was told that Delft clay is whatsand
>     casters call 'petrobond' , see if you can geta sample from a
>     foundry suppliers.(Someone say if this is incorrect!) Tim. 

    Delft is very very fine. I've come across the same colour sand of
    another brand in the US and it does not have the detail quality of
    Delft. No way as good. It was when I was guest teaching at Revere
    Academy in 99 or so. Maybe their sand casting setup is different now. 

Brian 


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