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How to Reliably Read RFID Labels on Metal or Liquid-filled Bottles?

2026-06-11

Are you troubled by inventory counting of beverage bottles and cans in unmanned vending machines, supermarket shelves, or warehouses? Interference from liquids and metals often causes RFID tags to be frequently missed or have short read ranges.

XGSun’s newly launched UHF RFID flag label is specifically designed for the retail industry.

Easy to apply – Just peel and stick; no folding required.

Unique suspended design - A localized adhesive keeps the tag securely attached to the bottle, while the rest of the tag remains suspended – never contacting the liquid or metal, eliminating signal interference at the source.

Large memory - 128 bits EPC + 128 bits User memory.

High-quality thermal paper face stock, suitable for fast on-site printing and coding in supermarkets.

Ideal for beverages, daily chemicals, canned foods, and other retail scenarios. It is the core recommended product for brand traceability, channel anti-diversion, smart inventory management, and digitalized inbound/outbound operations.

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For this passive RFID flag label sticker, you must have a lot of questions, right?

  1. Can this label be used on metal or non-metal objects?

This is an economical and efficient RFID UHF anti-metal flag tag. With a special antenna design, it can be attached to metal cans or non-metal beverage bottles. Under the interference of metal and liquid, it can still maintain stable reading performance, and the reading distance can reach about 5-6 meters. It is often used in the retail industry.

  1. How to stick the label and why is this label from XGSun more convenient to use?

Most of the passive RFID flag labels on the market require users to fold and stick them by themselves (manual folding may cause the label to be misaligned, not beautiful enough, and time-consuming, which invisibly increases labor costs). This flag designed by XGSun is directly made into a form with one part with glue and the other part without glue. You only need to stick the glued part vertically on the top of the container, and the non-glue part is suspended in the air like a flag. Isn't it very convenient and time-saving?

  1. About label size

The overall size of this RFID flag tag stciker is 60*30mm, of which the adhesive area is 34*30mm and the non-adhesive area is 26*30mm.