Notes

UV Printing: An Emerging Technology in the Packaging and Printing Industry

What is UV Printing?

UV printing, a digital type of printing that uses ultraviolet light to cure or dry ink while it's being spread on the surface, is a form of digital printing. The ink is dried instantly by the Ultraviolet Lights that follow the printer as it passes over each spot.

Ultraviolet print allows you to directly print onto almost any flat or 3D media. This allows you to create custom products. This is one reason it has become popular in packaging solutions companies; when UV ink is printed directly onto a substrate and exposed to ultraviolet light, it instantly solidifies from the liquid.

What is the difference between conventional printing and ultraviolet printing?

Traditional printing uses inks that are infused with special solvents. These solvents evaporate into the air when the ink is applied to the material. These solvents evaporate into the air, allowing ink to soak into the surface faster and leaving behind a digital image once it has dried. Different spray powders are available to speed drying times. This printing method cannot be used on materials such as plastics, acrylics or foil.

Ultraviolet (UV-) Printing Process

UV printing utilizes ultraviolet lights to dry the ink as it's printed quickly. The ink is applied to the material by the printer. UV lights quickly dry the ink. Ultraviolet printing, which is more sustainable than other methods, is currently a hot topic in the printing industry.

UV ink can be printed directly on the substrate (material), and it transforms almost instantly from liquid to solid when exposed to UV light. Because there's very little solvent evaporation and almost no absorption in paper, UV inks can be used to print practically any item. This technology provides direct printing capabilities onto an almost limitless range of 3-D media, enabling quick and effortless product customization.

UV inks dry quickly, leaving no VOCs behind. UV printing is an environmentally friendly technology that has a low carbon footprint.

LED UV Printing

Led-UV printing is the latest generation of UV printing technology, producing wavelengths at 385-395nm (nanometer). This light spectrum is safer, more efficient and provides superior results than traditional UV printing.

Printing with led UV is a more practical choice than its UV counterpart. Firstly, unlike UV printing, led UV doesn't need mercury lamps for curing the inks; this makes it safer and cheaper because the light emitted falls within the UV-A range, offering greater security than its traditional counterpart. It also consumes less power than conventional UV printing.

LED UV printing is the best option for luxury companies looking for long-lasting results. LED UV printing is more reliable for the FMCG, pharmaceutical, and FMCG industries due to its quicker drying times. The final printed product is enhanced with color and finished with superior quality that makes a lasting impression.

LED-UV printing is an environmentally friendly and green technology since there is no VOC (Volatile Organic Compound) emission during the printing process. Companies require less infrastructure to set up LED printing units, while consumers get a superior product with a glossy finish.

UV Printing in Food Packaging Industry

Product personalization is a growing global industry, and digital UV printing provides an ideal way to meet this demand, boost product sales, and stay competitive.

Conventional printing techniques were dangerous as food items could become contaminated if ink substances were transferred from the printing plate onto the packaging. Furthermore, since these inks weren't cured and exposed to potential hazards, there was always the potential risk for contamination. Also, the final food packaging was not up to standard.

This method of printing food packaging labels has proven to be a very successful one. UV inks cure while printing, so there are no hazardous solvents left that could contaminate the contents. Food manufacturers are increasingly using this method to customize food items and maintain high quality standards.

UV Printing for Pharmaceutical Industry

Each industry is different. Different applications require different printing technology. This includes labels for pharmaceutical, sports, food, beverages, cosmetics, and more. Each brand is unique in its aesthetic appeal. One form of security printing used in the pharmaceutical sector is UV printing.

Uniquely, pharmaceutical labels such as medical and drug brand names can be susceptible to counterfeiting or forgery. For added protection, the pharmaceutical industry uses UV printing.

Invisible UV inks are used in pharmaceutical printing. They have been proven to be one the most effective methods for preventing counterfeiting within the pharmaceutical industry. Although these inks can't be seen by the naked eye, UltravioletLEDs can illuminate them. The unique identification numbers that are attached to every pharmaceutical item make invisible UV inks a strong deterrent for counterfeiters.

UV Printing offers Untold Benefits

Grand Prints argues that ultraviolet printing is the future of packaging and printing. It is economical and environmentally friendly, and its business-generating advantages are vast.

LED Print Applications - LEDs offer a cool, dry touch and minimal heat output making them perfect for printing on heat sensitive substrates like thin slides, self-adhesive sheets, and stretched PVC materials.

UV Printing Is Faster Than Traditional Printing: UV printing is much quicker than conventional printing, as you don't have to wait for your ink to dry as UV ink dries during the photochemical process - it's almost instantaneous!

It is economical: This method can help you save significant money because of its quicker drying time. As the finished product dries quickly, you can print more anytime. Plus, no aqueous coatings are necessary as with traditional inks for packaging printing.

Vibrant Finish: UV printing offers a more vibrant appearance since there is no time for the ink to soak into the paper/material. This technique can produce photo-realistic prints.

The bottom line

UV printing is a new industry trend which promises to grow over the next few years and have applications in many industries. Because of its eco-friendly, cost-effective, and varied nature, UV printing will be the future in packaging and printing technology.
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