The Science Behind BOPP and BOP Films
Biaxially Oriented Polypropylene (BOPP) and Biaxially Oriented Polyethylene (BOP) films are widely used in packaging due to their excellent properties. The production process involves several steps, including: 1) Extrusion: Plastic pellets are melted and extruded through a flat die to form a thin sheet.2) Orientation: The sheet is stretched in both longitudinal and transverse directions…