what is a presure pot?

what is a presure pot?
Posted in
Custom WorkstationI'm planning on buying the equitment to do head casting and was wondering what a pressure pot is, how to use it, and where to get it? As fore the mold making kit what one shoold I buy? I'd preffer not to half to order either of these things online if possible.

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Posted by
pock63 on Tuesday, March 16, 2010
User Comments
Harry Potter on eBay
http://www.artmolds.com/product_details ... ccessories
This link might have some answers for you.
http://www.castcraft.com/mcfaq.htm