What blown film extrusion line is recommended for PE shrink film?


Blown film extrusion is a widely used manufacturing process for producing plastic films with various properties and applications. When it comes to PE shrink film, which is commonly used in packaging, it is crucial to select the right blown film extrusion line to ensure optimal production efficiency, film quality, and overall performance. In this article, we will explore the key considerations for choosing a blown film extrusion line and recommend some models that are particularly suitable for PE shrink film production.

PE shrink filmPE shrink film for food packagingPE heat shrink film

Understanding PE Shrink Film

PE shrink film, also known as polyethylene shrink film, is a type of plastic film that has the ability to shrink tightly around products when heat is applied. It is widely used in various industries for packaging purposes, offering protection, stability, and visual appeal to the packaged items. PE shrink film is known for its excellent clarity, toughness, and resistance to tearing and puncturing.

The Advantages of PE Shrink Film

PE shrink film, or polyethylene shrink film, is widely used in a range of industries due to its exceptional properties and versatility. It offers numerous advantages over other types of shrink films, making it a popular choice for packaging applications:

  • Superior Clarity and Gloss: PE shrink film provides excellent optical properties, resulting in high clarity and gloss. This enhances the visual appeal of packaged products, making them more attractive to consumers.
  • Excellent Strength and Durability: With its exceptional tensile strength and tear resistance, PE shrink film ensures that packaged items are well-protected during transportation and storage. It safeguards products from moisture, dust, and other potential hazards.
  • Versatility and Conformability: PE shrink film has the ability to conform tightly to the shape of various products, including irregularly shaped or contoured items. This versatility allows for secure and snug packaging, minimizing the risk of damage or shifting during transit.
  • Cost-Effectiveness: PE shrink film is a cost-effective packaging solution, offering excellent performance at a competitive price point. Its efficient material usage and high yield contribute to reduced production costs, making it an ideal choice for businesses aiming to optimize their packaging processes.

Key Considerations in Selecting the Right Extruder for PE Shrink Film

The choice of blown film extrusion line for PE shrink film will depend on several factors, including the desired properties of the final product, production capacity, and budget.

However, in general, a three-layer co-extrusion blown film line is recommended for PE shrink film production. This type of line typically consists of three extruders, each of which supplies a layer of polymer to the die. The three layers may consist of different types of polyethylene, such as high-density polyethylene (HDPE), low-density polyethylene (LDPE), and linear low-density polyethylene (LLDPE).

The use of a three-layer co-extrusion line allows for greater control over the properties of the final film, such as strength, clarity, and shrink ability. It also enables the production of thinner films with similar or better properties compared to single-layer films.

Some other features that may be desirable in a blown film extrusion line for PE shrink film production include:

  • A high-output extruder to ensure maximum production efficiency.
  • A multi-zone air ring to provide consistent cooling and control film bubble stability.
  • A collapsing frame to ensure the film is properly flattened before winding.
  • A precision winding system to ensure uniform winding tension and roll formation.

Ultimately, the specific features of the extrusion line will depend on the requirements of the PE shrink film product and the manufacturer.

Recommended Blown Film Extrusion Lines for PE Shrink Film

Based on the key considerations discussed, here are some recommended blown film extrusion lines that are well-suited for PE shrink film production:

ABC Model: Sweeping General-purpose Film Production Capacity

ABC 3-layer blown film co-extrusion machine

The ABC Model is a versatile blown film extrusion line suitable for various applications, including PE shrink film production. It offers energy-efficient operation, reducing energy consumption and production costs. The ABC Model provides flexibility in adjusting film width and thickness, allowing for customization according to specific packaging requirements. It also incorporates innovative cooling technologies to ensure excellent film clarity and shrink performance.

Benefits of Choosing the Recommended Blown Film Extrusion Line

By selecting the recommended blown film extrusion lines for PE shrink film production, manufacturers can enjoy several benefits:

  • Enhanced Efficiency and Productivity: The recommended lines offer high-speed production capabilities and advanced automation features, resulting in increased efficiency and productivity. This allows manufacturers to meet demanding production schedules and maximize output while minimizing operational costs.
  • Superior Film Quality and Consistency: The chosen extrusion lines incorporate precise temperature control, cooling systems, and advanced quality control features. This ensures that the produced PE shrink films have superior optical clarity, consistent thickness, and reliable shrink properties. The use of recommended lines leads to improved product quality and reduces the risk of rejected or substandard films.
  • Cost Savings and Return on Investment: The recommended blown film extrusion lines are designed to optimize energy consumption, reducing production costs. Additionally, their high-speed production capabilities enable manufacturers to meet market demands efficiently, resulting in higher sales revenue and return on investment.


Selecting the right blown film extrusion line for PE shrink film production is crucial for achieving optimal efficiency, film quality and overall success in the packaging industry.

At Plastar Machinery, we take immense pride in offering state-of-the-art blown film extrusion lines designed specifically for the production of high-quality PE shrink film. Our commitment to excellence and innovation sets us apart from the competition, enabling us to deliver outstanding results that meet and exceed the expectations of our valued clients. If you have needed about a blown film extrusion machine for PE shrink film or any other extruders, welcome to contact us!