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Home » Plastic Extrusion – a Technology of the Future in Modern Processing
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Plastic Extrusion – a Technology of the Future in Modern Processing

Sam AllcockBy Sam AllcockAugust 6, 2025No Comments4 Mins Read
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Plastic extrusion is one of the most important processes in the plastics processing industry. This technology enables the mass production of profiles, gaskets, strips, and other long elements with a constant cross-section, used across almost every industrial sector – from refrigeration and construction to automotive and furniture manufacturing. With the ability to customize shape, hardness, color, and material type according to customer requirements, extrusion offers virtually unlimited design flexibility.

What is extrusion?

Extrusion is a process of forming plastic in a softened state. Granules or other semi-finished materials are fed into a hopper and then into a heated barrel, where they are plastified by temperature and the action of a screw. The material is then pushed through a specially designed die that gives it the desired shape. The finished product is cooled in a water bath or air tunnel and then cut to the required length.

Depending on the material and intended use, different types of extruders are used, including co-extrusion lines that allow for combining multiple materials in a single profile – such as a rigid core with flexible sealing lips.

Applications of plastic extrusion:Thanks to its versatility, extrusion is used in many industries:

  • Refrigeration – magnetic door gaskets, profiles for thermal bridge elimination, structural profiles and guides.
  • Construction – facade strips, angle profiles, cable covers, expansion joint profiles.
  • Automotive – flexible door seals, protective strips, headliner profiles.
  • Furniture – decorative profiles, masking strips, guide components.

By choosing the right materials – such as soft and rigid PVC, ABS, PP, PE, TPE, or even biodegradable plastics – mechanical, chemical, and aesthetic properties can be tailored to specific applications.

Benefits of extrusion technology

Extrusion is not only efficient but also cost-effective. It allows for high-volume production that is repeatable and precise. Key advantages include:

  • the ability to manufacture according to custom dimensions and designs,
  • low unit costs for larger production runs,
  • high precision and quality of finish,
  • flexibility in material and color selection,
  • minimal production waste and recyclability.

It is also worth noting the growing importance of sustainability – modern extrusion lines are equipped with material recovery systems, energy-efficient heating zones, and CO₂-reducing technologies, making this process well-suited to the demands of sustainable manufacturing.

Production Process – How Plastic Extrusion Works at AiFO Components

At AiFO Components, plastic extrusion is carried out using state‑of‑the‑art PVC extrusion lines specially designed for refrigeration industry profiles — such as door seals, anti‑thermal‑bridge profiles, glass cover trims, and LED lighting supports. The process begins with granulated PVC — either soft or rigid — or combinations thereof. These materials are gravity-fed from a hopper into heated barrels equipped with screws that plastify the material under carefully controlled temperature zones and mechanical shear.

Complex multi-layer profiles are produced via co‑extrusion, which enables simultaneous feeding of different polymers into a single die. This allows AiFO engineers to combine, for instance, a rigid core with a flexible sealing layer or integrate thermal‑insulating polymers for enhanced energy performance. After passing through precision dies shaped to client-specific cross-sections, the molten plastic is cooled — often in water baths or air-cooling tunnels — ensuring dimensional stability over lengths that can reach several meters. The resulting profiles are automatically cut to length and undergo quality inspection for precision, aesthetics, and compatibility with AiFO’s magnetic gasket systems.

AiFO’s extrusion capability stands out for its high repeatability and efficiency: the fully automated production lines can run continuously, producing large volumes with minimal labor. The integrated material recycling systems and precision heating zones not only reduce material waste but also support sustainability goals, making extrusion an eco-friendly process as well as cost-effective.

Explore the offer of AiFO Components – a trusted manufacturer of extruded plastic profiles, seals and gaskets. Choose precision, flexibility, and reliability in modern plastics processing.

AiFO Components
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Sam Allcock
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Sam Allcock is a journalist, digital entrepreneur, and media strategist with a passion for purpose-driven storytelling. With over a decade of experience in the media landscape, Sam has built a reputation for creating impactful narratives that bridge the gap between innovation, integrity, and social responsibility. As the founder of multiple digital ventures, Sam understands the power of strategic communication in shaping public discourse. His work explores how technology, entrepreneurship, and ethical leadership intersect to create meaningful change. On Purposed.org.uk, Sam contributes thought-provoking articles that challenge conventional thinking and advocate for a more conscious approach to business and media. Beyond his writing, Sam actively supports initiatives that promote transparency, trust, and long-term value in both corporate and community settings. His insights are grounded in a belief that purpose is not just a trend, but a transformative force in today's world.

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