Venting Single Screw Extruder It is designed and developed on the extrusion theory of venting single screw. It majors in processing materials that need degassing during their extrusion. These materials include: 1. PET/ABS/PA for extrusion 2. PET/ABS/PP/PE for recycling process 3. PE/PP/ABS for modification processes like coloring. keywords: Single Screw Extruder, Single Screw Extruders, single screw extruder equipment, buy plastic extruders, venting extrusion, plastics pelletizing