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Gaskets & seals

In the rubber industry, gaskets and seals play a crucial role in ensuring tightness, safety and function in everything from engines and hydraulics to medical equipment and food machinery. For these products, traceable marking and identification are essential – both for quality control, batch tracking and customer-specific information.
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marking rubber ring o-ring rubber gasket seals marking serial number batch

Different techniques for Gaskets & seals

ink marking rubber ring o-ring rubber gasket seals marking serial number batch CIJ

Inkjet marking (CIJ)

For larger seals, simpler gasket parts or products in continuous production, inkjet marking is a flexible and cost-effective alternative.

Benefits:

  • High speed and contactless marking.
  • Works on both light and dark rubber materials.
  • Adaptable ink types for oily or porous surfaces.

For difficult surfaces, Logimark offers pigmented special inks that provide sharp contrast even on dark or flexible gaskets.

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CIJ - Linx 8900 Series
CIJ

Linx 8900 – Series

Our most popular inkjet printers for the production industry. With its robust automatic printhead cleaning system and easy self-service that…

CIJ - Linx 8940 Spectrum
CIJ

Linx 8940 Spectrum

New revolutionary inkjet printer designed to easily produce pigmented ink and high contrast prints in high-speed lines.

laser marking rubber ring o-ring rubber gasket seals marking serial number batch

Laser marking

Laser marking is the most reliable method for permanent and precise marking on seals and gaskets, especially for small or irregular components. The marking is done by the laser altering the surface layer of the material, which provides a clear and permanent contrast without affecting the function of the product.

Benefits:

  • High precision – perfect for small details and narrow surfaces.
  • Permanent marking that withstands heat, friction and chemicals.
  • Hygienic method without ink or solvents.

Laser marking is particularly recommended for silicone, EPDM and PTFE, where traditional paint-based methods do not provide sufficient adhesion.

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Laser machine Linx CSL series for speed production
In-line laser marking

Linx Laser CSL 10/30/60

Linx CSL laser machines give you fast, flexible and accurate high-speed marking for a variety of materials and applications. With their high…

Laser machine Linx SL3 for the production line
In-line laser marking

Linx Laser SL3

Robust, affordable, easy to install and use. With an IP54-rated housing and proven laser technology, the Linx Laser Sl3 is suitable…

UV laser for your production
In-line laser marking

Linx UVG5 Laser

The Linx UVG5 is a high-performance UV laser that delivers fast, permanent marking on even the most challenging materials such as thin…

Laser marking - Trotec SpeedMarker 700
Laser engraving machines

Trotec SpeedMarker 700 CO2

The Trotec SpeedMarker 700 CO₂ is a powerful laser machine that combines speed and precision for marking large volumes and…

Read more about Gaskets & seals

In the rubber industry, gaskets and seals play a crucial role in ensuring tightness, safety and function in everything from engines and hydraulics to medical equipment and food machinery. For these products, traceable marking and identification are essential – both for quality control, batch tracking and customer-specific information.

Because seals and gaskets are manufactured in different materials and shapes – such as natural rubber, EPDM, silicone, NBR, PTFE or composite materials – marking is required that can be adapted to surface, color, flexibility and environment of use.

Challenges when marking gaskets & seals:

  • Small or curved surfaces make it difficult to place text and codes.
  • Flexible and elastic materials may cause the label to stretch or crack.
  • Release agents and oils can impair ink adhesion.
  • Hygiene requirements in areas such as food and medical technology

For marking directly on gaskets and seals, we recommend laser marking as the most durable and precise technology – especially for small components, black materials or products exposed to high temperatures. For fast, flexible and variable production marking, inkjet marking (CIJ) works great, especially in combination with pigmented inks. If external marking or packaging information is required, we offer labelling solutions with high-resolution printing for batch numbers, barcodes and customer data.

With Logimark's technology, you get a labelling solution that combines precision, durability and traceability – regardless of material or application.

Questions & Answers (FAQ)

For most rubber materials, we recommend laser marking as it provides a permanent, durable and precise mark that is not affected by heat, chemicals or friction. For simpler marking in production, inkjet marking (CIJ) works great.
Yes, but different materials require different techniques. CO₂ lasers work best on lighter materials like silicone and EPDM, while fiber lasers provide high contrast on dark, dense rubber compounds. For oily or porous surfaces, special inks are used in our CIJ systems.
Flexible and elastic materials require marking that does not affect the material's structure. Laser marking is best suited because it does not add paint or coating that can crack – it only burns a thin surface into the material.
Laser marking is completely superior in these environments. Because the marking is burned into the surface, it is unaffected by heat, oil, pressure or chemical exposure – perfect for seals used in engines, hydraulics and process industries.
Yes. Our laser systems can focus extremely small beams and create clear text, logos or batch numbers even on surfaces just a few millimeters in size. For larger moving components, contactless inkjet marking is used.
Yes. Silicone is one of the most suitable materials for CO₂ lasers, as the marking occurs superficially without affecting the density or elasticity of the material.
This is a common problem when using release agents or oils. In these cases, we recommend pigmented inks with high adhesion or switching to laser marking, which eliminates the problem completely.

Book a demo

Do you want to see how the machine works in your production on your material or product? Book a free Demo We will be happy to show you the machine (or similar machine) in operation and how we can tailor the solution based on your needs.

Fill out the form and we will contact you!  

You can also call us directly at + 4610-444 1600.