5 things you need to know about RFID metal tags

Common Questions About Selecting RFID Anti-Metal Tags

Selecting the right RFID anti-metal tag with good read-write performance can easily solve the problem of metal and environmental stability. So, how can you choose the appropriate RFID anti-metal tag? The Geenfc editor has summarized the following five points for you:

1. What kind of metal tags are recommended?

Choosing a tag for a specific application requires considering many factors, such as the price of the tag, its physical size and shape; but more importantly, the read-write distance and the material of the tag, the material of the installation surface, the installation method, and the surrounding environmental impact (including metal, humidity, current, etc.), all of which relate to the durability and read-write performance of the tag. Achieving high-quality and reliable tag read-write effects requires analyzing multiple variables in the environment.

2.Why is there a difference between the read-write distance of the tag and the experimental data?

Tags are designed with certain adjustments according to the application environment, such as adding protective coatings or creating gaps to avoid direct installation of the tag on metal. These practices may reduce tag performance, causing actual performance to differ slightly from the initial design.

In most cases, tags will lose some read-write distance due to the influence of the application environment, especially when the tag is embedded in metal or installed in a multi-metal environment. Ordinary tags may temporarily maintain certain performance, but to achieve continuous and stable tag performance, it is necessary to choose a tag that matches the application environment.

3. How to install tags on assets?

After ensuring the read-write performance of the tag in harsh environments, the issue of installing the tag arises, which is one of the biggest challenges in RFID applications. High-performance metal tags can resist high temperatures or immersion in liquids, but the adhesive on the back of the tag may not be able to withstand it. The most ideal application is to embed the tag in the asset to ensure that the tag is not affected by the external environment, but in practice, the embedded method may not meet actual needs.

Adhesive is one of the most commonly used methods for installing tags. When choosing adhesive, a comprehensive and detailed analysis of the application environment is needed. Extremely cold environments can also affect the performance of adhesive and cause the tag to become brittle and fragile, so the storage environment and temperature of the workflow need to be fully considered. Not all applications can use adhesive to install tags, and other commonly used installation methods include bolt fixing, tape suspension, or epoxy glue fixing.

4. What are the potential sources of interference in the application environment?

Not placing the tag directly on metal does not mean it will not be affected by metal. If the asset with the tag is surrounded by metal or the asset moves through an environment with a lot of metal, it is necessary to carefully judge the use of the tag to ensure stable and reliable performance.

5. Can high-temperature-resistant tags be used in all high-temperature applications?

Not necessarily. Many different applications require tags to resist high temperatures. For example, a tag designed for use in a dry heat environment cannot be used in a high-temperature steam sterilization environment, nor does it necessarily meet other types of high-temperature applications.

That concludes the sharing of common questions about selecting RFID anti-metal tags. Geenfc anti-metal tags are widely used in asset management, logistics management, product part process management, storage management, document and file management, etc., and the products can be customized.

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5 things you need to know about RFID metal tags

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