What Is a Flexible Anti-Metal NFC Sticker?

A flexible anti-metal NFC sticker is a close-range NFC label designed with an anti-metal layer to help reduce the effect of a metal surface on NFC tag performance. It can be used to identify compatible metal equipment, tools, containers and fixed assets.

Unlike a standard NFC sticker intended for non-metal surfaces, an anti-metal design is made for applications where the tag is attached to a metal object. Actual performance depends on the tag construction, chip, antenna geometry, reader and installation conditions.

This product operates at 13.56 MHz and uses the ISO/IEC 14443A protocol. It is intended for close-range NFC identification rather than long-range UHF RFID inventory reading.

Key Features and Benefits

lDesigned for metal-surface applications: Suitable for evaluating on-metal identification of compatible equipment, containers and other metal assets.

lFlexible label format: Available in multiple round, square and rectangular sizes.

lDifferent thickness options: Choose from listed 0.2 mm or 0.5 mm anti-metal layers, with the finished construction confirmed before ordering.

lMultiple NFC chip options: NTAG213, NTAG215 and NTAG216 are listed, alongside selected MIFARE Ultralight variants.

lMaterial and printing choices: Coated paper, PET and PVC are listed, with offset, silk-screen and rotary printing options.

lCustom product configurations: Discuss dimensions, material, printing and chip requirements for your project.

For applications where reading reliability is critical, test a sample on the intended metal surface with the actual smartphone or NFC reader before approving a bulk order.

Technical Specifications

The read range, operating temperature and finished-tag performance should be confirmed for the selected configuration. The two finished-thickness values shown for each anti-metal layer correspond to different constructions; the applicable version must be specified in the quotation.

Which NFC Chip Should You Choose?

The right chip depends on the information stored on the tag, the reader or smartphone used by your system, and compatibility with your existing application.

Memory figures refer to the chip's user-readable/writable memory, not total chip memory. The available memory and features depend on the exact chip model.

For asset tracking, a tag may only need to store an identifier or URL that links to records in an external system. If detailed maintenance or inventory data is held in a database, a larger chip is not automatically necessary.

Need help choosing a chip? Share your reader model, intended data format and application with our team before ordering.

Sizes, Materials and Customization

Available Sizes

Round sizes

lDiameter: 20 mm, 25 mm, 30 mm, 35 mm, 40 mm and 50 mm

Square sizes

l18 × 18 mm

l25 × 25 mm

l35 × 35 mm

l45 × 45 mm

Rectangular sizes

l30 × 15 mm

l40 × 25 mm

l45 × 30 mm

l50 × 35 mm

l56 × 18 mm

l86 × 54 mm

Custom sizes can be discussed according to your installation space, required label dimensions and production feasibility.

Anti-Metal Layer and Finished Thickness

Two anti-metal layer thicknesses are listed: 0.2 mm and 0.5 mm. The currently listed finished-thickness options are 0.40 mm, 0.50 mm, 0.75 mm and 0.85 mm, depending on the construction.

When requesting a quotation, specify the maximum permitted finished thickness and available mounting space. The final construction should be confirmed before sample approval.

Materials and Printing

Listed material options include coated paper, PET and PVC. Printing options include offset, silk-screen and rotary printing.

Material, adhesive and surface finish should be selected according to the asset surface, application environment and expected service conditions. Do not assume that all material and adhesive combinations provide the same resistance to moisture, UV exposure, chemicals or abrasion.

Share your artwork and customization requirements for a feasibility review.

Applications for Metal Asset Tracking

IT Assets and Server Equipment

Use close-range NFC identification to help staff access asset records for compatible metal equipment, chassis and server-related assets. Validate the tag position against the intended phone or reader.

Industrial Equipment and Tools

Identify selected metal machinery, tools and equipment so that authorized personnel can access relevant identification or maintenance information.

Inventory and Metal Containers

Apply NFC labels to compatible metal containers and inventory items where a person can approach the tag for individual identification.

Logistics and Facility Management

Support close-range identification in logistics operations, office equipment management, inspection points and fixed-asset workflows. NFC is most appropriate when close-range interaction fits the workflow; applications requiring long-range or simultaneous bulk reading should be assessed separately.

For any application involving outdoor exposure, cleaning chemicals or challenging temperatures, confirm environmental suitability and test the finished label before deployment.

How to Select the Right Anti-Metal NFC Sticker

Before placing an order, consider these questions:

1. What will be tagged? Identify the asset type, metal surface and available mounting area.

2. How will the tag be read? Specify the smartphone or NFC reader and confirm compatibility.

3. How much data needs to be stored? Choose the chip based on actual user-memory requirements and system design.

4. What are the installation conditions? Define dimensions, maximum finished thickness, adhesive needs and environmental exposure.

5. What customization is required? Confirm printing, chip selection and any encoding requirements.

6. How many tags are needed? Provide the estimated quantity, destination country and expected order schedule.

For critical applications, test samples in the intended installation position. Reading performance on a metal object should not be inferred from an unattached chip or a different tag size.

Manufacturing, Customization and Quality Assurance

Kaisere Technology supports RFID and NFC product sourcing for B2B customers, including projects that require specific chip options, dimensions, materials and printing.

Before bulk production, key specifications should be confirmed, including chip model, label size, finished thickness, material, printing and any agreed encoding requirements.

Depending on the order specification, quality checks can be defined to cover:

lMaterial and appearance inspection

lSize and finished-thickness verification

lPrinting and artwork checks

lChip identification and agreed encoding verification

lFunctional reading tests using agreed equipment and conditions

lFinal inspection against the approved specification

The inspection scope and acceptance criteria should be agreed before production. For applications sensitive to reading performance, sample approval on the intended metal surface is recommended.

Company Manufacturing Profile

Kaisere Technology was established in 2003. The company reports a 10,000 m² factory area, company-wide monthly capacity of more than 12 million RFID products across its product lines, and business serving customers in more than 100 countries.

Capacity and lead time for each order depend on the selected configuration, materials, quantity and production schedule.

International Orders and Shipping

For international B2B orders, shipping arrangements should be confirmed according to the destination country, order quantity, packaging requirements and requested delivery terms.

When requesting a quotation, please provide:

lDestination country

lEstimated order quantity

lPreferred delivery timeline

lPackaging or labeling requirements

lAny required shipping or commercial documentation

Available delivery methods, production timing and documentation requirements will be confirmed for the specific order. Delivery dates should be agreed after the product configuration and quantity have been reviewed.

Frequently Asked Questions

1. Can this NFC sticker be attached directly to metal?

It is designed for metal-surface applications. Actual reading performance depends on the final tag construction, mounting surface, tag position and reader. Test a sample on the intended metal asset before bulk production.

2. What frequency and protocol does this NFC sticker use?

The listed specification is 13.56 MHz with the ISO/IEC 14443A protocol. Confirm that the selected chip is compatible with your existing smartphone, NFC reader and application.

3. What is the typical read range?

The current product specification lists a typical read range of 1–6 cm. Actual results depend on chip selection, reader or phone antenna, tag dimensions, installation position and operating environment.

4. Which chip should I choose: NTAG213, NTAG215 or NTAG216?

NTAG213 provides 144 bytes of user memory, NTAG215 provides 504 bytes and NTAG216 provides 888 bytes. Choose according to the data stored directly on the tag and the requirements of your NFC system.

5. What sizes and thicknesses are available?

Listed round sizes range from 20 mm to 50 mm in diameter. Square and rectangular formats are also available. The listed anti-metal layer thicknesses are 0.2 mm and 0.5 mm, with several finished-thickness options. Confirm the exact dimensions and construction before ordering.

6. Can the material and printing be customized?

The current specifications list coated paper, PET and PVC, with offset, silk-screen and rotary printing. Confirm the appropriate material and finish for your installation and environmental requirements.

7. Is this NFC sticker suitable for outdoor use?

The product page lists an operating temperature range of -20°C to +65°C. Temperature alone does not establish resistance to water, UV exposure, chemicals or long-term outdoor conditions. Describe the environment so the material, adhesive and finished construction can be reviewed and tested.

8. What information is needed for a bulk quotation?

Provide the application, metal surface type, preferred chip, dimensions, maximum finished thickness, material, printing or encoding needs, estimated quantity and destination country. If available, include the reader model and a description of the installation environment.

Request a Quote or Sample

Planning an asset tracking, inventory identification or industrial equipment labeling project?

Send us your target application, preferred chip, label dimensions, metal surface, customization requirements and estimated quantity. Our team can review the requested specifications and confirm suitable options, sample requirements and quotation details.