The difference between pe stretch film and pof stretch film

PE stretch film and POF stretch film are both widely used in packaging and securing products, but they differ in material composition, properties, and applications. Here’s a breakdown of the key differences:

1. Material Composition:

PE Stretch Film:Made from Polyethylene (PE), which is a type of thermoplastic polymer.Common types of PE used are LDPE (Low-Density Polyethylene) or LLDPE (Linear Low-Density Polyethylene).

POF Stretch Film:Made from Polyolefin (POF), which is a blend of Polypropylene (PP) and Polyethylene (PE).Typically, POF is produced by combining various polymers such as copolymer polypropylene and ethylene.

2. Stretchability and Strength:

PE Stretch Film:Has excellent stretchability, especially LLDPE stretch film.Offers strong puncture resistance and clinginess.Provides good strength but may not perform as well under extreme tension compared to POF.

POF Stretch Film:Offers higher stretch ability and can stretch more compared to PE.Typically stronger and more tear-resistant under high tension.POF films tend to shrink slightly when heat is applied (which is why POF is often used in shrink wrapping).

3.Cling and Adhesion:

PE Stretch Film:Known for its self-adhesion (clinginess), meaning it sticks to itself without needing adhesive. This helps secure the items tightly.Works well for bundling and wrapping products, ensuring they stay in place during transit.

POF Stretch Film:Cling is also good, but typically not as strong as PE stretch film when wrapped around products.POF film often has a higher resistance to abrasion, making it suitable for packaging rougher or heavier items.

4. Appearance and Transparency:

PE Stretch Film:Generally transparent, allowing for easy visibility of the packaged contents.The surface finish is often smooth, and it is commonly available in different colors.

POF Stretch Film:Typically, POF stretch film is also clear or transparent, offering good visibility of the product inside.It can also come in matte finishes, giving it a more premium look and feel.