Corks and seals

Inkjet marking is the most common method for marking caps in the food industry, for example on bottles for water, soft drinks, juice or dairy products.

The technology works by writing small characters or codes directly onto the surface of the cork without the need for contact with the product. This means that the marking is clear even on the rounded and sometimes uneven surfaces that corks have.

The marking is most often placed on:

• On top of the cap (e.g. best-before date or batch number)
• On the side of the cork when space is limited but you still want the code visible

Laser marking is a permanent and highly precise method for marking caps and seals in the food industry. Unlike ink, which is applied to the surface, the laser burns or etches the information directly into the material. The result is a durable marking that cannot be worn away, faded or affected by condensation.

The marking is usually placed on:

• On top of the cork – for clear batch numbers, best-before dates or logos.
• On the side of the cork – when you want discreet but readable codes.

Laser marking works particularly well on light-colored plastic caps or metal seals, where the contrast is clear. On colored plastic caps, the visibility of the marking can depend on the pigmentation of the material – something we help optimize through testing and the right laser selection.

Labelling a bottle's cap or seal is an effective solution when you want to add information, security or branding directly to the top of the package. This can be a small round label on top of the cap or a neck label that wraps around the neck or edge of the cap.

Advantages of cork and seal labels:

• Reinforces brand identity and creates an exclusive impression.
• Can act as a warranty seal to show that the product is unbroken.
• Provides space for campaign information, QR codes or small logos.
• Flexible solution that works for different bottle sizes and materials.