SIVA – Contshare NFC 2525 NFC Label

The SIVA Contshare NFC 2525 is a square 25 x 25 mm printable NFC label built on the NXP NTAG213 IC, designed for authentication, content sharing, and product engagement applications where a compact, smartphone-readable label is required. Operating at 13.56 MHz and compliant with NFC Forum Type 2 and ISO/IEC 14443A, it carries 144 bytes of user memory and a 56-bit UID, making it suited for URL redirection, product authentication, loyalty programs, smart packaging, and interactive marketing on non-metallic surfaces including cardboard, plastic, glass, and paper.

At just 0.2 mm thick on a printable white PET face with high-performance permanent adhesive, the NFC 2525 applies cleanly to retail packaging, hang tags, product labels, event credentials, and consumer goods without altering the product’s appearance. Full bond strength is achieved within 24 hours of application, and the label supports a minimum bending diameter of 50 mm for curved surface use. Each reel contains 2,000 100%-tested labels with defective labels marked for easy identification, packaged 2,000 pcs per box and 4 boxes per carton.

The NFC 2525 is compatible with NFC-enabled thermal transfer printers for on-demand printing and encoding in a single pass. Customer-specific EPC user memory encoding, black custom artwork including logos, text, numbers, and barcodes, and colour artwork with transparent over-lamination (MOQ 10,000 units) are all available on request. It is supplied under part number RF.LI.NFC.2525.213, and alternative IC options are available on request.

Specification

Physical Characteristics

  • Label Size: 25 mm x 25 mm x 0.2 mm / 0.98 in. x 0.98 in. x 0.007 in.
  • Face Material: Printable white PET (resin ribbon recommended)
  • Adhesive: High performance permanent adhesive; full bond strength achieved in 24 hours
  • Minimum Bending Diameter: 50 mm
  • Label Pitch: 30.48 mm / 1.2 in.
  • Core Inner Diameter: 76 mm / 3 in.
  • Delivery Format: 2,000 pcs per reel; 100% performance checked; defective labels marked
  • Packaging: 2,000 pcs per box; 4 boxes per carton
  • Part Number: RF.LI.NFC.2525.213

RF Characteristics

  • Air Interface Protocol: NFC Forum Type 2; ISO/IEC 14443A
  • Operational Frequency: 13.56 MHz
  • IC: NXP NTAG213 (other ICs available on request)
  • Memory Configuration: USER 144 bytes; UID 56 bit
  • Applicable Surface Materials: Non-metallic surfaces

Environmental Ratings

  • Operating Temperature: -25°C to +70°C / -13°F to +158°F
  • Installation Temperature: +10°C to +38°C / +50°F to +100.4°F
  • Storage Condition: 1 year at +20°C / 50% RH (adhesive shelf life)
  • Expected Lifetime: Years under normal operating conditions

Personalization Options

  • Pre-encoding: Customer-specific encoding of user memory
  • Customized Printing (black): Customer-specific artwork including logo, text, numbers, and barcodes
  • Colour Artwork: Colour imprint with transparent over-lamination available (MOQ 10,000 units)

Benefits

Any Smartphone Reads It, No App Required

NFC Forum Type 2 compliance means any NFC-enabled smartphone taps and reads the NFC 2525 natively, triggering URLs, authentication checks, or content without requiring a dedicated app download from the end user.

Square Format Fits Compact Packaging and Tags

At 25 x 25 mm, the NFC 2525 fits neatly on small retail labels, hang tags, cosmetic packaging, and product stickers where rectangular labels overhang or misalign, giving brand owners a clean, unobtrusive NFC touchpoint.

Prints and Encodes on NFC-Enabled Printers in One Pass

Compatibility with NFC-enabled thermal transfer printers lets operations print custom artwork and encode user memory simultaneously, eliminating a separate encoding step and reducing label production time on high-volume lines.

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