Laser marking food products
One of the reasons for adopting Laser marking technology, relates to the use of inks and solvents on food packaging.
The main component of the ink used on marking systems is 75% Methil Ethil Ketone or MEK. This solvent is highly toxic, flammable and in certain conditions could lead to explosion.
Compliance with local regulations on food marking and labeling is one of the fastest-developing applications in the packaging industry
Many countries are enforcing new regulations on batch traceability, consumer information, and even on package recycling information that has to be posted on the labeling.
Regulations vary from country to country and even state to state in the U.S [such is the special case of California].
No other system offers more flexibility, zero consumables and lower per-print cost than laser marking system on medium or high volume food packaging applications
Different Laser marking technologies
Different technologies are used in food packaging marking applications. As an example some food products have a plastic or paper wrap printed in vivid colors.
Coating removal is widely used on food wraps within the food industry.
This technology involves the laser beam to remove the outer coat of the foil to leave a clear, almost white marking with excellent readability.
The marking quality depends on many factors such as the foil cover time exposure to the laser ablating beam.
We have the expertise to customize our marking systems via software to different time exposures in order to get a perfect readable print even in the most demanding materials.
Custom laser wavelenghts are also used on specific materials to control penetration, such some plastics; in order to create a perfect easy-to-read marking without burning smears.
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