>> better price

This stuff is a "material of choice" for the homebrew 3D-printer  
community.  See for instance the reprap info here: http://reprap.org/ 
bin/view/Main/Polymorph

And the (*the* !) current manufacturer seems to be here:
http://www.perstorpcaprolactones.com/products/product_line/0,0,- 
_EN-33,00.html

As is the case with many "industrial supplies", I didn't see any  
sites catering to the "mid-sized" customer who might want to buy one  
20kg sack every year or so.  It's rumored to get down to about $10/kg  
in that quantity (direct from the *previous* manufacturer?)

BillW


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