In-Mould Labelling is a very popular method, particularly in the labelling of goods in the food and beverage industries, cleaning products and in consumer electronics. It is also the form of labelling used on mobile phones and laptops to adhere the brand logo.
Though in the past in-mould labelling was designed for blow moulding, it is now possible (and more widespread) to use in-mould labelling in conjunction with injection moulding, thermoforming and reel-feed systems instead.
In most cases, the process happens in this way: The label is placed in a mould of the same shape as the packaging itself, the molten substrate (usually polypropylene) for the packaging is added to the mould, fusing with the label and taking the shape of the mould. Essentially, the packaging made from the molten substrate is one with the label that adheres to it as it sets.
There are several clear advantages to the in-mould labelling. Firstly, the print quality resulting from in-mould labelling is of high-resolution, clear and appealing. It is a robust method, as in-mould labels are highly resistant to humidity and temperature changes, making it the ideal solution for refrigerated and frozen products. The label will not wrinkle, scratch off or crack. As the packaging and the label comprise the same material, the item is fully recyclable, requires significantly less storage (as the packaging is produced and decorated simultaneously), and is incredibly quick and efficient.
Finally, it is also easy to change designs for packaging at little notice, making it a flexible solution for multiple product packaging needs.
Types of In-Mould Labelling
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- Carrier foil
- Blow moulding
- Plastic injection moulding
- Heat seal
- Heat reactive adhesive
- Cavitated film
- Laminated film
- Multi-colour screen printing
- Offset lithography printing
- Injection plastic