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|What distinguishes PE and BOPP Release Films?

What distinguishes PE and BOPP Release Films?

Sep 07, 2023


PE (Polyethylene) and BOPP (Biaxially Oriented Polypropylene) release films are commonly used in various industries for their unique properties. While both serve the purpose of providing a release surface for adhesive materials, there are distinct differences between PE and BOPP release films.


PE release films are made from polyethylene, a thermoplastic polymer known for its flexibility, toughness, and chemical resistance. PE films offer good release properties, making them suitable for applications requiring easy release of adhesive materials. They provide a smooth and low-friction surface for the adhesive to release from. PE films are available in various thicknesses, offering good strength and tear resistance.


On the other hand, BOPP release films are made from biaxially oriented polypropylene, which is a thermoplastic polymer with high tensile strength, clarity, and dimensional stability. BOPP films provide excellent release characteristics for a wide range of adhesive materials. They offer superior clarity and transparency compared to PE films, making them ideal for applications where product visibility or printed graphics are important. BOPP films can be easily printed on using various techniques, such as flexographic, gravure, and digital printing.


In terms of cost, PE release films are generally more cost-effective compared to BOPP release films. PE films are widely available and have a lower price point, making them a popular choice for many applications. BOPP films, although slightly more expensive, justify their higher cost with their excellent performance and versatility.


In summary, PE release films are known for their good release properties, durability, and lower cost, while BOPP release films offer excellent clarity, printability, and dimensional stability. The choice between the two depends on specific application requirements such as adhesive type, release force, clarity, printability, and cost considerations.

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