RFID Labels for Teflon, Paraffin, and Wax Surfaces – 0.9375″ x 0.9375″#ZRF3-PRF-67NP

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RFID Labels for Teflon, Paraffin, and Wax Surfaces

Size:  0.9375” x 0.9375” / 23.8 mm x 23.8 mm

Label across: 1

Color: White

Labels/roll: 1,000

Core size: 1” or 3” / 25.4 mm or 76 mm

Perforation: No

Adhesive: Permanent chemical resistant

Temperature range: -55°C to +70°C (-67°F to +158°F)

Operating temperature/RFID functional temperature range: -35°C to +85°C (-31°F to +185°F)

Recommended Ribbons:  XAR-Class Xylene Resistant Resin Ribbons

Recommended Printer: Zebra ZD621R UHF RFID Thermal-Transfer Printer

Recommended Reader: Unitech Handheld UHF RFID Reader

Recommended Label software: BarTender Professional

These chemical-resistant RFID labels combine RFID technology with a high-tack adhesive label that adheres to hard-to-stick surfaces such as Teflon, Polytetrafluoroethylene (PTFE), Perfluoroalkoxy (PFA), paraffin wax, low-surface energy (LSE) plastics, and Acrylonitrile butadiene styrene (ABS). They are designed to track multiple assets and improve data collection from devices, equipment, and containers coated or made with Teflon/PTFE, PFA, and ABS materials, which often require their visual and electronic data to be resistant to water and harsh chemicals.

These RFID labels are ideal for identifying ABS, PTFE, and PFA surfaces, such as PTFE chemical bottles and containers, PTFE/PFA pipes, PTFE/PFA fittings, ABS sports and worker safety helmets, and ABS cases and housings. RFID labels for hard-to-stick surfaces are intended for the oil & gas industry, mining, construction, manufacturing, supply chain, and sports facilities. They will integrate with personnel and asset tracking systems to ensure the traceability of staff and equipment.

These RFID labels (Class 1, Gen 2) are compatible with handheld, fixed, and integrated UHF RFID readers. Using dedicated RFID thermal-transfer printers, they can be printed and encoded with up to 32 hexadecimal characters of information. The printout obtained when using our recommended XAR-class of ink ribbons, along with the electronic components of these labels, can resist exposure to xylene, toluene, alcohols, and other organic solvents and chemicals without additional protection.

The size of the RFID labels for Teflon, Paraffin, and Wax Surfaces can be customized upon request.


  • 12” omnidirectional read range*, without direct line-of-sight ensures quick, easy, and accurate reading from every angle
  • Read multiple items and track staff at the same time**
  • Adhere to hard-to-stick surfaces, including paraffin wax, Teflon/PTFE/PFA, and ABS surfaces
  • Withstand exposure to harsh chemicals and solvents

* Labels should not be enclosed by metal surfaces as this may cause interference that can affect their ability to be scanned/read.

** When using our recommended RFID reader. Read range can vary according to the RFID reader being used.



Core Size

1", 3"

25.4 mm, 76.2 mm

Qty / UOM


Core Type




23.8 mm



23.8 mm

Labels Across






Black Mark



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Frequently Asked Questions

Yes, these RFID labels are thermal-transfer printable and require an ink ribbon to be printed. To achieve the proper printout, these labels require an XAR-class ink ribbon of the same width or larger, suitable for the RFID thermal-transfer printer being used.

Yes, a UHF RFID printer is required to accurately encode these labels when printing. We recommend the Zebra ZD621R RFID thermal-transfer printer.

Yes, these labels have a strong permanent adhesive that will adhere to hard-to-stick surfaces, such as low-surface energy (LSE) plastics, Teflon/Polytetrafluoroethylene (PTFE), Perfluoroalkoxy (PFA), parchment paper, and paraffin wax. They are also excellent for rough or smooth plastic surfaces such as acrylonitrile butadiene styrene (ABS), polypropylene (PP), and others.

Yes, our RFID labels for Teflon, Paraffin, and wax surfaces can withstand temperatures up to +70°C/+158°F. For RFID labels that withstand higher temperatures or that are autoclave-resistant, we recommend our  Heat-Resistant RFID Labels.

Yes, ZRF3-PRF-class RFID labels withstand exposure to xylene, acetone, and common alcohols. The printout is also resistant to these chemicals when printed with our recommended XAR-class ribbon. Prior testing is strongly recommended

Yes, these RFID labels can be read while immersed (up to 1″/25 mm) in xylene, alcohols, and acetone, as well as in water, and when are in contact with oily dirty surfaces when using our recommended UHF RFID reader. Prior testing of RFID readability while immersed in other liquids is strongly recommended.

No, these RFID labels are provided with a permanent chemical-resistant adhesive that is not made for easy removal.

The UHF RFID chip (Class 1, Gen2) of these RFID labels can be encoded with up to 32 hexadecimal characters.

Yes, ZRF3-PRF-class RFID labels contain read-write UHF RFID chips. Thus, you can rewrite the EPC memory bank up to 100,000 times if the permalock feature is not active.



Yes, an UHF RFID reader is required to access the encoded data. It can be handheld, fixed, and integrated. We recommend the Unitech Handheld UHF RFID Reader for mobility, reach, and ease of use. This reader is able to read UHF RFID chips and scan 1D and 2D barcodes.

Place the UHF RFID reader at a maximum of 12″ (30.5 cm) away from the sample in any direction. However, the read range can vary according to the UHF RFID reader being used.

Yes, they are compatible with both regulations. Interrogate these labels with a UHF reader capable of reading the frequency band.

No, these labels employ UHF RFID technology and thus can be interrogated in another band frequency apart from NFC RFID labels. Thus, a dedicated UHF RFID reader is needed. For RFID labels customized with NFC RFID technology, contact our technical support team.

Yes, you can scan/read multiple ZRF3-PRF-class RFID labels at the same time within the interrogation timeout (in seconds), even without a direct line-of-sight to the UHF RFID reader.

No, ZRF3-PRF-class RFID labels are battery-free. They do not require a battery to be functional as they employ passive RFID technology.

Yes, you can design your own template that corresponds to the size of the label using specialized software such as BarTender Pro (or higher) and ZebraDesigner3 Pro, which allow you to encode the RFID tags as well.

Yes, we can provide our ZRF3-PRF-class RFID labels printed with full-color graphics and logos, as well as variable or serialized information from a database. Please consult our technical support team for details regarding custom encoding and other custom printing options.

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