What are the most common technologies used in foam extruders for the production of non-cross linked physical expansion foam in polyethylene (or polypropylene)? We can highlight 4 most famous technologies: Single Screw Foam Extruder, Tandem Foam Extruder, Twin Co-rotating Screws Foam Extruder & Twin Counter-rotating Screws Foam Extruder. In the production process of expanded (foam) […]