In the plastics industry, twin screws are at the very heart of the extrusion process that transforms raw materials into rigid PVC pipe or profile. These highly engineered components are integral to ...
Extruflex North America LLC, a French-owned manufacturer of flexible PVC strips, sheet and transparent films, has started extrusion operations in Birmingham, Ala. The move gives Paris-based Extruflex ...
Atofina has launched Durastrength 529, a new PVC acrylic modifier for exterior construction applications. Durastrength 529 combines the functions of an impact modifier and a process aid. It imparts ...
Editor?s note: Chris Rauwendaal is a designer, consultant, and seminar instructor who has written extensively on process engineering and extrusion topics. Part 1 of this article (PM&A Nov./Dec. 2002) ...