To Learn More About Plastic Extrusion, Visit:

Society of Plastic Engineers
http://www.4spe.org/plastics-encyclopedia/directory
IDES – The Plastics Web
http://www.ides.com
(Introduction to) Plastics extrusion
http://en.wikipedia.org/wiki/Plastics_extrusion
Plastics Technology magazine
http://www.ptonline.com

UPC Suppliers

Alco  http://www.aclocompounders.com
Advanced Elastomer Systems/ExxonMobil Chemical   http://www.exxonmobilchemical.com/chem-english/default.aspx
Ashland    http://www.ashland.com
Basell  https://polymers.lyondellbasell.com/portal/site/basell/
BASF    http://www.basf.com/group/corporate/en/
Bayer   http://www.bayer.ca
Clariant    http://www.clariant.masterbatches.com
Dow   http://plastics.dow.com
Dupont   http://www2.dupont.com/Heritage/en_US/index.html
GE   http://www.ge.com
Georgia Gulf   http://www.ggc.com
Polyone   http://www.polyone.com
Solvay  http://www.solvayplastics.com