Professional Pallet Wrap High Precision Co-extrusion Machine Use Soft Casting Stretch Film for High-Speed Packing Line Product Description In the field of industrial packaging, stretch film is one of the most common materials used to secure palletized goods. Many users often prioritize the thickness of the film when making a purchase, believing that thicker films are more durable. However, in practical use, the tensile properties, retraction force, and puncture resistance of