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Coding and marking of PET bottles

Despite environmental concerns, PET bottles remain popular because they are robust, transparent and light. In addition to soft drink and beverage coding, PET printing is also used for drugstore items. Applications for printing on plastic bottles include PET best before coding, PET date coding and printing batch numbers, LOT numbers, EAN codes, GS1 data matrix codes, barcodes, logos & texts, and 2D codes.



Whatever PET bottle you have to mark you will start faster and speed up production using Sealtronic technology with a LEIBINGER printer. Unlike lasers, which can perforate the thin, lightweight material of PET bottles, LEIBINGER printers are bottle coder solutions that do not attack the surface. You can code PET bottles during the filling process with FDA-compliant inks specially designed to adhere to PET materials, or "wet bottle inks" which can penetrate a slightly film of condensed humidity.

Beverage coding applications can include printing on plastic bottles, PET best before marking, and PET bottle coding – whether you are applying a best before date, an expiry date, a batch number, a LOT number, or an expiration date on a beer bottle. If you need to print batch number on PET, or an expiration date on a water bottle, our beverage printing solutions make PET bottle marking both easy and efficient.

LEIBINGER printers are perfect for PET coding:

  • Sealtronic for fast start-up and high productivity

  • Special inks that adhere to PET, penetrate condensation
  • Washable inks for reusable bottles
  • Pigmented inks for contrast on dark surfaces
  • Unlike lasers, will not attack the surface
  • Suitable for high-speed production
  • IP65 protection available
  • Enables full traceability

Kinds of applications

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Our solutions

LEIBINGER coding & marking systems

All LEIBINGER labeling systems are equipped with the unique nozzle lock technology. When idle, the printers automatically and 100% airtightly seal the print nozzle and allow the ink to continue to circulate. This prevents the ink from drying out. LEIBINGER labeling systems therefore do not require cleaning when starting or after printing. Time and cost savings, a clean production environment, high availability, consistently high print quality and maximum reliability are your LEIBINGER advantages.


The new IQJET. The first intelligent coding & marking system.

With IQJET: Plug & print, 5 years maintenance-free and the best TCO values on the market thanks to low consumption of resources - that's what the new LEIBINGER IQJET offers. This intelligent printer ensures undisturbed, carefree work and maximum productivity in your production, because the IQJET simply does what it is supposed to: Printing, printing, printing...

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JET Rapid

The need for speed

Specialist high-speed printer offering speeds of 800m/min for a range of high-output applications. more >


Waterproof, dustproof, downtime-proof

Advanced, feature-rich CIJ printer with IP65 protection to meet high hygiene requirements of the pharmaceutical and food industries. more >


The productivity machine

The mid-range printer for all standard marking and coding applications, printing up to 1,777 characters/second. Prints up to three lines. more >


It all starts here

Attractively-priced entry-level printer offering two-line printing on a variety of materials and featuring unique Sealtronic technology. more >

Your industry


Refreshingly efficient

Coding and marking of beverages

Filling 100,000 bottles per hour is far from uncommon in the beverage industry, which is why coding in small letters needs to be carried out within the shortest possible time. In addition, industrial inkjet printers need to be able to cope with high-humidity environments and flexible enough to print on any part of the container, regardless of the material used.

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Coffee and tea

Wake up and smell the productivity

Coding and marking of coffee and tea

High dust levels and extremely high line speeds make tea and coffee packaging systems a demanding coding and marking environment. In order to guarantee the quality and consistency of end products, cleanliness is also a key factor.

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Convenience products

A convenient way to boost production

Coding and marking of convenience products

Designed for the convenience of the customers, these are products that come in an ever-changing range of packaging formats, such as shrink wrap, foil and cardboard. Also, since the information to be coded onto the packaging changes frequently, coding solutions must be highly flexible. The coder must also be able to withstand the extreme temperatures, high humidity and dust levels that are a feature of the industry, and should use inks that are suited to the surface of the packaging.

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A fresh approach to production efficiency

Coding and marking of dairy products

The dairy business is shaped by short product shelf lives and stringent hygiene requirements. Dairy producers also face regularly changing packaging designs, the ever-increasing variety of types and flavors, and frequent production changes. Coding and marking of packagings therefore requires equipment that can print expiration dates and other such information reliably and efficiently on a variety of surfaces.

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Detergents, home care and cleaning

A polished performance

Coding and marking for detergents, home care and cleaning products

Cleaning and care products are subject to stringent international directives, which require information such as UFI (Unique Formula Identifier) codes to be printed on the product packaging – whatever shape or type of surface it may be. With packaging ranging from the curved metallic surfaces of spray cans to smooth plastic containers, coding and marking solutions must be flexible and must operate at high speed.

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Other packaged foods

The perfect packaged solution

Coding and marking of other packaged foods

Packaged food products come in all shapes and sizes, which requires great flexibility from your coding and marking solution. Foods are packaged in a variety of formats, using different materials that can be challenging to print on. The food industry also demands high standards of hygiene compliance, requiring actions such as the regular spray-cleaning of the production environment.

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Pet food and animal feeds

Speed feeding

Coding and marking for pet food and animal feeds

In order to meet the growing demand for animal fodder and cattle feed, increasingly efficient production lines with higher throughputs are needed. Companies producing pet food and animal feed are committed to offering products that ensure the health and vitality of family pets so product traceability is also an important consideration. The coding and marking systems need not only to clearly print traceability information, but also accommodate many different packaging formats, such as retort pouches and club packaging.

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Our experience makes the difference

Coding and marking for plastics

Plastic and rubber articles, including plastic film, are used in many areas such as the pharmaceutical, food, packaging, cable, electrical and electronics industries. Producers of plastic and plastic items often need to code information onto products to enable traceability and to provide a guarantee of quality.

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Want to know more?

Get in touch and find out how LEIBINGER can bring you better quality, efficiency and productivity.

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Want to see how it looks in real life? Send us a sample of any material, and we will show you which inks have the best colors and the best adhesion properties to suit your marking and coding requirements. See the results for yourself!

Want to know more about our printers and how they can fulfil your needs? Speak to a LEIBINGER expert now! 

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