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Marking plastic

Reliable coding with a perfect print image

Coding plastic

Optimum printing results in all formats

When marking plastic films, a durable and perfectly legible print image is essential. The print must not rub off and often has to contain a lot of information, so the size of the print image can be a key factor.

Diagraph’s thermal transfer printers offer a variety of print areas up to 8 inches wide, the largest print area in the world.

A wide range of color ribbons is available for the various types of plastic, which we will be happy to test for you on your packaging material. Many customers also attest to our printers’ excellent print image.


Advantages with Diagraph

What you can expect

Contact print

Thermal transfer printer with the largest print area on the market

Razor-sharp, high-contrast print image

Printing on all plastics

Suitable for harsh production environments

Wide range of color ribbons

Database connection

Printing in clocked and continuous mode

Contactless printing

Printing of up to 8 lines

Small and large character printing, high-speed printing

Printing on all plastics

Suitable for harsh production environments

Wide range of inks

Database connection

Product images

Various printing systems can be used for marking plastics. You can find some examples below:

Our marking systems are suitable for many plastics

Here are some examples

Contact print

Thermoforming sheets

Stick packs


Tube bags

... and many more ...

Contactless printing

Plastic parts

Cables and tubes

Covers and caps

Filled plastic containers

... and many more ...

What our customers say about us


Production performance has increased as there is less printer-related downtime.

I would definitely recommend Diagraph and the Allen NGT model series to other packaging companies.

Nigel Robertshaw, Technical & Site Manager at Country Products, Tockwith York, Yorkshire


We only ever considered Hitachi
printers for labeling the new production line, as we've had nothing but positive experiences
with them so far.

Matthias Säfken, Team Leader Maintenance, DMK, Edewecht

herbthäuser logo

With our old printer, we kept getting misprints with missing characters or smudged imprints.

Ever since we started using the Diagraph printer, the imprints of the expiration date and lot number have always been perfect.

Markus Lutz, Technical Manager, Herbsthäuser brewery, Bad Mergentheim

Practical applications

Play Video

Thermal transfer printing on tube bag

Thermal transfer printers are frequently used in the marking of plastic films for tube bag packaging. With its large and high-resolution print image, they can print a lot of information in the best possible quality.

Our Allen NGT thermal transfer printers are ideally suited for this task.

Request expert advice now

We will take care of your request as soon as possible



ITW Diagraph GmbH

Friedrich-Bergius-Ring 30

97076 Würzburg


Tel. +49 931 25076 0

Fax +49 931 25076 50

[email protected]


Tel. +49 931 25076 911

[email protected]

Office hours

Monday to Thursday

08:00 - 17:00


08:00 - 14:00

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