OPP stands for Oriented Polypropylene, which is a type of plastic polymer that is commonly used for packaging purposes.
https://www.fz-pack.com/product/opp-bag/
The first step involves the extrusion of the OPP film. In this process, polypropylene granules are melted and extruded through a die to form a flat sheet of plastic film.
https://www.fz-pack.com/product/opp-bag/
OPP stands for Oriented Polypropylene, which is a type of plastic polymer that is commonly used for packaging purposes.
https://www.fz-pack.com/product/opp-bag/