Links
US Patent for Extruder screw for plastic extruders - Christie
US Patent for Extruder screw with multiple flighting - Christie
TAPPI PLACE
Information and education for flexible packaging industry: suppliers, converters and end users share technical information and development regarding Polymers, Laminations, Adhesives, Coatings and Extrusions.
SPE Flexible Packaging Division
Forum for technical exchange of information and developments related to the production, conversion, and end-use applications of flexible plastic packaging materials.
AIMCAL Blog
Technical blogs for flexible plastic packaging industry.
Extrusion Coating Blog
Technical blog about extrusion coating