Induction sealing provides counterfeit protection to its users as an intact seal can show customers that the product has not been modified. This is particularly important in the pharmaceutical industry, where counterfeit medicines are an increasing problem. Statistics show that as many as 1 million people die every year from ingesting counterfeit medicines.
Counterfeit protection is also popular in the cosmetic industry, particularly for products of a high value, and for easily imitable products such as water, where original product manufacturers want to avoid the risk of losing brand equity.
In response to counterfeiters becoming increasingly more sophisticated, induction seals have also become more advanced with options such as etched or engraved foil, colour-shifting inks, micro-printing, printed or electronic (RFID) codes, custom colours and inks with DNA added.
Induction sealing offers a solution that is friendlier to the environment, when compared with other sealing systems such as conduction, as it uses less energy.
By moving to induction sealing, many manufacturers are also able to reduce the thickness of the foil and the amount of plastic used in the closure and bottle –making it a more eco-friendly packaging option.
Induction liners act as hermetic seals which prevent oxygen and moisture transmission into the product. In some cases our customers have been able to extend the shelf life of their products by up to 12 weeks.
Induction sealing technology allows for high performance machines to perfectly seal containers in record time. This is due to the machines being able to work at high speed, without the need to touch or handle the product. Induction sealers can be powered on and ready to use almost instantly; they can also provide a hermetic, reliable and strong seal in under a second. This prevents time being wasted by long warming up and cooling down periods.
Induction sealers are easier to move from one production line to another as they can simply be wheeled into place over an existing section of conveyor. No time is wasted and production can go on without further interruption.
Induction sealing can provide tamper evidence to its users as foils must be removed or destroyed in order to access the product. This is particularly important for the safety and satisfaction of consumers. Thanks to an intact seal, the consumer knows the product has not been tampered with and can be sure of its authenticity.
The latest range of air-cooled sealers require virtually no maintenance or consumables to continue to work effectively and efficiently – in fact some of our customers describe their 20-year-old machines as ‘like new’. The minimal maintenance costs and the reduction in production downtime are what make Enercon’s range of induction sealers the number one choice worldwide.
In comparison to other sealing methods, such as conduction, an induction sealer can provide reliable and secure seals without having to touch or handle the containers – no contact between the sealers and the containers is necessary. This is particularly useful as it means the equipment does not have to be cleaned regularly, as with a conduction sealer.
About Induction Sealing
Induction cap sealing or heat sealing, as it is widely known, is a very simple and straightforward process.
The container is filled and the cap (fitted with a foil liner) is applied. The capped container then passes under the induction cap sealer where a controlled electromagnetic field transfers energy to the foil in the cap, creating heat. This melts the sealing material on the foil liner. Once this sealant cools, the liner adheres to the neck of the container – this is known as a hermetic (air tight) seal.
Introducing Induction Sealing
How Induction Cap Sealing Works
A Beginner’s Guide to Induction Sealing
If you’re new to induction heat sealing, download this free whitepaper to learn how induction sealing works, what the benefits are, what products can be sealed and where to get foil liners from.
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