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Customer-specific applications

You should know that:

According to the current Ordinance on Hazardous Substances, the employer is obliged to carry out substitution tests (determination of substitutes) if there is "open handling" of a hazardous substance in its facilities.

UV-curing inks



The printing of housings, circuit boards, scales ...

BWhen printing on circuit boards, scales and housings, UV-curing inks are often used at present. It can no longer be overlooked that various ingredients of these UV-curing ink mixtures pose a danger to people and the environment. Current international and national standards are now responding to these risks with stricter declaration requirements and application regulations. The hazard potential of many ingredients of UV-curing inks is being re-evaluated and classified in higher classifications. Anyone who prints on housings, circuit boards and scales with PrintoLUX® water-based special inks does not have to worry about such risks and hazards.

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The PrintoLUX® process is used to apply the lettering to the illustrated panel in the 1/10 millimeter range.

Photo: ELESTA GmbH


The Max Planck Institute for Astronomy uses different instruments for the instrumentation of large optical telescopes. The front panels of these instruments are labeled with PrintoLUX® technology.

The transformer specialist Messko GmbH labels various scales with the PrintoLUX® process.
The company ROLEC Gehäusesysteme GmbH is a leader in the development and production of new enclosures. The company uses the PrintoLUX®-FB-140/2000 system with white option for labelling.

The problem:

UV-curing inks

Until recently, UV-curable inks were considered an advantageous option for many printing tasks. Their qualities are described above all in the diversity of the material that can be printed with them and the time-saving processing. The disadvantages are known to be defects in print quality and durability. However, the high health risk potential of these inks is serious.
  • The new classification system for chemicals according to the GHS (2015) significantly lowers the limit values for the individual levels of hazardousness of chemical substances and mixtures.

  • For example, the NVC caprolactam contained in many UV-curing inks is now officially declared (Reach substance database, EU) as a "target organ-damaging substance" for liver and upper respiratory tract (H372):

  • NVC serves as a reactive diluent in UV-curing coatings, inks and adhesives. The use of NVC Caprolactam is regulated according to the EuPIA exclusion list (European Association of Printing Ink Manufacturers). Here a duty of proof for safe use is required if the substitution test does not come to a result. Employees and customers must be instructed in the handling of this substance and must be aware of the hazards. 
    Since March 31, 2015, the production of screen printing inks with NVC has been prohibited for EuPIA members.
  • In accordance with the limits reclassified in August 2015, a number of UV-curing inks have been upgraded in terms of hazard potential.

  • According to the CLP regulation CELX (EU), the safety data sheets of UV-curing inks must clearly indicate the hazards. At a well-known manufacturer of UV-curing inks, the following classifications can be found on a safety data sheet:
H350 - Kann Krebs erzeugen
H361 - Kann vermutlich die Fruchtbarkeit beeinträchtigen oder das Kind im Mutterleib schädigen
H372 - schädigt bestimmte Organe bei längerer oder wiederholter Exposition
H400 - sehr giftig für Wasserorganismen.

  • Furthermore critical voices from practice point out that only completely cured UV-curing inks are harmless to health. In practice, however, complete curing cannot be achieved without great effort. When printing on materials with such inks, work processes must always be carried out in which UV-curing inks in the liquid state can come into contact with the skin and hazardous substances from the UV-curing inks get into the breathing air. 

UV-curing inks are often used for marking scales, housings and printed circuit boards. 

Since 2015, the hazards to health and the environment posed by the ingredients of UV-curable inks have been clearly and unambiguously pointed out.

International und national standards
A current overview of international and national standards in this context can be found here.
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The solution

The PrintoLUX® process with PrintoLUX® special inks is completely harmless to health and very economical.

If you need to mark scales, housings, circuit boards or elements and are looking for an alternative to UV-curable inks, the PrintoLUX® labelling process is a good solution.

Our patented process is environmentally friendly, free of any health risk, versatile on different materials and last but not least the most economical process currently available for industrial marking. The PrintoLUX® special inks used in this process were extensively tested by the laboratories of the world-renowned Bureau Veritas testing institute in October 2015 and March 2016 with regard to their harmlessness to health.

You can read the results here:

Bureau Veritas - Report
PrintoLUX® hp inks fluid, 25.03.2016

The conclusion: The liquid inks tested by Bureau Veritas are not a hazardous substance with regard to the proven ingredients. The Bureau Veritas tests did not detect any other substance with a declarable percentage by weight that is not already listed on the safety data sheets of the PLX-hp inks. The liquid PLX-hp inks are to be classified as harmless in handling with regard to the concentrations of the ingredients when handled correctly.

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Buero Veritas – Report
PrintoLUX® inks cured, 16.10.2015

The conclusion of this study: "The burnt-in (PrintoLUX®) inks tested and approved by Bureau Veritas ... are to be classified as harmless for printing on food packaging or toys in relation to the residual concentrations of the substances methanol, metahnal, dioxane and isobutanol.

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The comparison

Water-based PrintoLUX® hp inks versus UV-curable inks
Clear advantages for PrintoLUX® inks in terms of environmental compatibility, health of people working with inks and presentation quality.


PrintoLUX® inks
the best way to label
scales, housings, circuit boards etc.



Particularly suitable for marking scales, housings, printed circuit boards and the like. It meets all the requirements of industrial applications. If a white print is required, the 2000 printing unit is used.



System purchase options


Labelling system
23.180 €


Heating unit
with 6 insert grids
2.580 €


RIP Software
2.700 €


Special construction
up to 500 mm outlet height
5.300 €

The following purchase options are possible:


1 + 3 =
25.880 €


1 + 2 =
25.760 €


1 + 4 =
28.480 €


1 + 2+ 3 =
28.460 €


1 + 2+ 3 + 4 =
33.760 €

Applications with the PrintoLUX® process

Standard and customer-specific applications

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