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Re: [ATM] start...tool....

Saqib Sajjad wrote:

>
>first...i am thinking of making the tool with plaster of paris. 
>is it ok? is there any better choice? any suggestions?
>
>  
>
I have never tried that but I think you must seal it.  It will come
apart in water.  You can do a quick test your self to see.  I think
dental stone is something like plaster of paris with Portland cement
added.  I think the ingredients for some products like hydro-stone have
been listed here.  You could check the archives.

One of the Ken's.....
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