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Universal Tire Label Boasts Reliable Reads on Nearly Any Tire

Ferm RFID Solutions' universal tire tread label is designed to adhere to a tire's tread and track its movement through the supply chain, even when tires are stacked on metal racks.
By Claire Swedberg
Mar 10, 2017

Netherlands-based technology company Ferm RFID Solutions is releasing an upgraded version of an adhesive tread label that it offers to tire producers, which serves as a universal ultrahigh-frequency (UHF) RFID tag with a read range of approximately 8 meters (26.2 feet) on all kinds of tires. The tags can be read in bulk, even in environments such as stacked tires on metal racks.

The tire tread labels are already in use by tire companies that sell products in the United Arab Emirates (UAE) to enable the tracking of tires that enter the country. The UAE government requires that all tires sold within that nation be tracked through the supply chain via RFID labels. For more than a year, tire companies who export products to the Emirates have been applying the Ferm RFID labels. Most recently, however, the firm has upgraded the RFID labels, using its own copper antenna design to create an optimal read range—no matter the material, size and type of the tire or the orientation of the tag.

Jos Uijlenbroek with several tires, one tagged with a universal tread label
Ferm RFID Solutions created the RFID antenna in partnership with Smart Res (which helped design the inlay and antenna) and Avery Dennison Material Group Europe (which developed the materials and adhesives that enable the tag to be affixed to the surface of a tire with nearly 100 percent reliability), says Jos Uijlenbroek, Ferm RFID's co-founder.

The tagging of tires is often a process that starts with the tires' manufacture. Ferm RFID and other technology companies offer RFID tags that can be built into a tire (typically in its sidewall) during manufacturing, in a process known as vulcanizing. Because the tag is embedded in the tire, it enables companies to follow that tire through production logistics and its entire life cycle, including when it is in use on a vehicle. That ability to automate tire tracking has recently been in greater demand, Uijlenbroek says, to provide added services to fleet managers and other stakeholders. Tire manufacturers are focusing more on providing tires as a service, rather than just as a product—identifying how tires are being used and for how long, and providing the necessary maintenance or service.

However, the company notes, there are some applications for which the embedded tire tags do not work well. For instance, because each tag is embedded in a tire's sidewall, tags can become difficult to read when stacked side by side on racks (a common orientation for tires in the supply chain). They also are hard to read in bulk, such as identifying a large number of tagged tires entering or leaving a warehouse using a fixed or handheld reader.

For that reason, Uijlenbroek explains, tire companies are opting for the Ferm RFID adhesive tire tread label that can be easily read in the logistics environment. The label can be affixed directly to the tire's tread, and is designed to remain on that tire until it is sold, at which point the customer or retailer can simply remove it. The RFID tread label can be printed in the form factor of common brand labels already used by manufacturers.

Tires present one of the most difficult labeling challenges, says Hans Eichenwald, Avery Dennison Materials Group Europe's senior product manager. "They have so-called low surface energy," he explains, "because of which it is hard for labels to stick to." The rough surface of the tread makes that even more difficult. In addition, he says "They contain components that can migrate and cause staining and swelling." The effect could make the label curl away from the tire over time. What's more, the labels had to be able to withstand extreme temperatures and humidity in the supply chain. Tire labels with aluminum barrier layers cannot be used either, due to interference with RFID reading.

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