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Plastic Extrusion



Shaping Innovation through Continuous Production

Plastic extrusion is a widely utilized manufacturing process that involves the continuous production of various plastic products with consistent cross-sectional shapes. It is a highly versatile and efficient method used to produce a wide range of items, including pipes, tubes, profiles, sheets, and films. Plastic extrusion allows for the mass production of products with specific dimensions and properties, making it an essential technique in multiple industries.

Vacuum Forming Process

Consists of several key stages

Feeding the Raw Material

The process begins with the feeding of raw plastic material in the form of pellets, granules, or powders into a hopper. The raw material can be composed of various thermoplastic resins, such as polyethylene (PE), polypropylene (PP), polyvinyl chloride (PVC), polystyrene (PS), and many others.

Cooling and Solidification

As the plastic exits the die, it encounters a cooling system, such as water or air, which rapidly cools and solidifies the molten plastic into its final form.

Melting the Material

Inside the extruder, the raw material is conveyed through a heated barrel equipped with a screw. The rotation of the screw generates both frictional and shear forces that melt the plastic, converting it into a molten state.

Cutting and Winding

After solidification, the continuous extrudate is cut to the desired length and, if applicable, wound onto spools or reels for storage or further processing.

Shaping the Product

Once the plastic is molten, it is forced through a specially designed die, which imparts the desired cross-sectional shape to the product. The die is a critical component in the extrusion process, as it determines the final geometry of the extruded product.


Types of Plastics Used


Polyethylene (PE)

PE is commonly used in extrusion due to its excellent chemical resistance, low cost, and high durability, making it ideal for applications such as pipes and packaging films.


Polypropylene (PP)

PP is known for its high strength, rigidity, and heat resistance, making it suitable for producing pipes, automotive components, and packaging materials.


Polyvinyl Chloride (PVC)

PVC is valued for its versatility, fire resistance, and electrical insulating properties, making it widely used in applications ranging from pipes to wire coatings.

Applications of Plastic Extrusion

Plastic extrusion is widely employed across diverse industries, offering efficient and cost-effective production solutions for various products, including

Pipes and Tubing

Plastic extrusion is extensively used in the production of pipes and tubing for applications such as plumbing, irrigation, and conduit systems.

Wire and Cable Coating

The process of extrusion is utilized to coat wires and cables with a protective plastic sheath, enhancing their durability and electrical insulation properties.

Profiles and Edging

Extruded plastic profiles find applications in window frames, door seals, and decorative trim in construction and architectural projects. They offer durability, weather resistance, and design flexibility.

Filaments for 3D Printing

The production of plastic filaments for 3D printing is accomplished through plastic extrusion, enabling the additive manufacturing process.

Plastic Sheets and Films

Plastic extrusion is employed to create sheets and films of various thicknesses, used in packaging, agriculture, greenhouse covers, and other protective applications.

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