In-Line Printing

In-line printing in plastic extrusion manufacturing represents a significant advancement in the production of high-quality, customized plastic products. Our process allows for the direct application of designs, patterns, or text onto extruded plastic profiles as they are being manufactured. This integration of printing into the extrusion line streamlines production and offers a range of creative possibilities.

Understanding In-Line Printing

In-line printing in plastic extrusion involves the application of ink or other printing materials directly onto the surface of the extruded plastic as it comes out of the extruder. This process is typically performed immediately after the plastic has been shaped but before it has completely cooled and hardened. The printing can be done using various techniques, including inkjet, flexographic, or even digital printing, depending on the complexity of the design and the type of plastic being used.

Applications and Products

This technology is widely used in various sectors. In the construction industry, it's used to create decorative trims, siding, and window profiles with wood grain or other patterns. In the consumer goods sector, in-line printing is used for branding and labeling on products like plastic tubing, containers, and profiles. The automotive industry utilizes this process for producing parts with specific aesthetic requirements or functional markings.

Materials and Techniques

The types of plastics that can be used for in-line printing include PVC, PE, PP, and ABS, among others. The choice of printing technique and ink type depends largely on the properties of the plastic and the desired outcome. UV-curable inks are commonly used for their durability and quick drying times, which are essential in a continuous manufacturing process like extrusion.

Plextrusions, Inc. Provides Advantages of In-Line Printing

One of the main advantages of our in-line printing is the considerable time and cost savings it offers. By integrating printing into the extrusion process, manufacturers can avoid the need for secondary operations, which reduces handling and speeds up production. This integration also ensures greater accuracy in the placement of prints, leading to a more consistent and high-quality product.

Additionally, in-line printing allows for greater customization and flexibility in product design. Manufacturers can easily change designs or text without significant downtime, enabling them to respond quickly to market trends or customer demands.

Challenges and Innovations

The primary challenge in in-line printing is ensuring the precision and durability of the print, especially given the high speeds of the extrusion process. This requires precise control of the printing machinery and the use of high-quality inks and materials. Advances in digital printing technology and the development of specialized inks have greatly improved the quality and capabilities of in-line printing in recent years.


In-line printing in plastic extrusion manufacturing is a transformative technology that enhances the value and appeal of extruded plastic products. It offers efficiency, customization, and the ability to produce high-quality printed plastics on a large scale. As printing and extrusion technologies continue to evolve, in-line printing will likely play an increasingly important role in the plastic manufacturing industry, driving innovation and new applications.


At Plextrusions, Inc., we offer a variety of capabilities for your professional plastic extrusion needs. While specializing in extruding a wide range of flexible and rigid PVC profiles, we offer extrusion for many different plastics.

We own our own manufacturing facility located in North Ridgeville, Ohio – just outside of Cleveland, only 25 minutes from Cleveland Hopkins Airport. 

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