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Glass jars

In the pharmaceutical industry, glass jars are widely used for ointments, tablets, injectables and laboratory samples. The labelling on these containers must be extremely durable, legible and sterile, as they are frequently exposed to cleaning, sterilization and varying temperatures.
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Product labelling glass jar glass container pharma labelling

Different techniques for Glass jars

Produktmärkning bläckmärkning gult mörkt glas

Inkjet printing

Ink marking is often used when fast and flexible marking is required on glass jars in continuous production. With the right type of UV-resistant and heat-resistant ink, the marking can withstand both moisture and sterilization. The technology is non-contact and can mark directly on rounded surfaces such as jar sides or lids.

Advantages:

  • High speed and flexible placement.
  • Cost-effective solution for batch numbers and best-before dates.
  • Adaptable for different types of glass and color tones.
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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.

Produktmärkning lasermärkning läkemedelsflaska pharma
Produktmärkning lasermärkning mörka ytor
Product marking laser marking yellow dark glass

Laser marking

Laser is the most precise and permanent method of marking on glass. The marking is created by the laser altering the surface layer or leaving a frosted effect, which produces a clear and durable code that cannot be worn away.

This method is ideal for products that require sterilization, refrigerated storage, or a long shelf life, as the labelling remains intact regardless of the environment.

Advantages:

  • Permanent and chemical-resistant marking.
  • No contact with the product – sterile and contamination-free process.
  • High precision even on small surfaces.
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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…

Fiber Laser - For the Production Line
In-line laser marking

Linx Laser FSL 20/50

Linx FSL20 and FSL50 fiber lasers provide precision marking for complete traceability. Permanently mark a variety of materials including metal, rubber,…

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…

Labelling of glass bottles
Product labelling glass bottle

Labelling

Labelling is used when you need to combine design, product information and traceability. On glass jars, labels also provide the opportunity for branding, security labels or multilingual marking. With print & apply systems, variable information such as batch numbers and barcodes can be printed and applied in real time.

Advantages:

  • Flexible solution for both small and large series.
  • Can be combined with security seals or wrap-around designs.
  • Suitable for both clinical products and consumer packaging.
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Labelling machine for bottles and cans
Application of printed label

System Geset 221

The Geset 221 is a labelling machine designed for cylindrical products, especially bottles. It is compact and easy to install, and…

Primera AP380 bottle labelling machine
Semi-automatic solutions

AP380 Label Applicator

The AP380 is a bottle label applicator that applies one or two labels with high precision. Perfect for increased capacity…

Labelling machine bottles - Geset 141
Semi-automatic solutions

System Geset 141

A semi-automatic labelling system for marking small jars, bottles and round objects with batch numbers, time and date and barcodes.

Read more about Glass jars

In the pharmaceutical industry, glass jars are widely used for ointments, tablets, injectables and laboratory samples. The labelling on these containers must be extremely durable, legible and sterile, as they are frequently exposed to cleaning, sterilization and varying temperatures.

The information – batch number, best-before date, serial number and barcodes – is crucial for traceability, patient safety and compliance with regulatory requirements.

Glass has a hard, smooth and sometimes reflective surface, which means that not all marking methods adhere equally well. Therefore, laser marking, inkjet marking (CIJ) and labelling are mainly used to achieve reliable results.

Challenges when labelling glass jars:

  • Glossy and reflective surfaces can make readability and ink adhesion difficult.
  • Temperature changes and sterilization require labelling that is not affected by heat, steam or chemicals.
  • Rounded surfaces can cause problems with focus and positioning, requiring precise machine adjustment.
  • Strict hygiene requirements mean that the label must be contamination-free and meet GMP standards.

Questions & Answers (FAQ)

Yes. With laser marking you can mark directly on the glass surface without affecting the product contents. The laser creates a frosted effect on the glass that provides a clear, permanent and sterile marking – completely without contact or consumables.
Laser is the most durable option as the marking is not affected by heat, steam or chemical cleaners. For simpler marking that does not require the same permanence, heat-resistant ink (CIJ) also works well.
Yes. Our inkjet systems and laser markers can be adapted for curved surfaces such as bottles and cans. The marking head can be adjusted to maintain the correct distance and accuracy even on curved surfaces.
Absolutely. Labelling is an excellent choice when you want to combine marking with product information, design or security seals. They can be applied as wrap-around, top label or security label.

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.