Conversion of waste polyethylene film into finished Contalen pellets takes a multi-stage process. This process is not only grinding, feeding into the extrusion system, plasticizing and granulation.
It also includes the stage of the removing of solid and fibrous contaminants, such as metal and wood chips, paper or textile fibres, or chemicals such as ink. Lines designed for a specific application are based on the following sequences of subprocesses and equipment.