{"id":1978,"date":"2022-12-05T13:36:59","date_gmt":"2022-12-05T05:36:59","guid":{"rendered":"https:\/\/www.toptaggroup.com\/adweb_products\/uncategorized\/13-56mhz-anti-metal-nfc-sticker\/"},"modified":"2026-07-17T16:20:26","modified_gmt":"2026-07-17T08:20:26","slug":"1356mhz-antimetal-nfc-sticker","status":"publish","type":"products","link":"https:\/\/www.toptaggroup.com\/ru\/products\/1356mhz-antimetal-nfc-sticker\/","title":{"rendered":"\u0410\u043d\u0442\u0438\u043c\u0435\u0442\u0430\u043b\u043b\u0438\u0447\u0435\u0441\u043a\u0430\u044f \u043d\u0430\u043a\u043b\u0435\u0439\u043a\u0430 NFC 13,56 \u041c\u0413\u0446"},"content":{"rendered":"<h2><strong class=\"font-semibold text-zinc-900 dark:text-zinc-100\">13.56MHz Anti-metal NFC Sticker \u2014 Ferrite-Backed FPC Tag for Metal Surfaces<\/strong><\/h2>\n<p><strong>\u0410\u043d\u0442\u0438\u043c\u0435\u0442\u0430\u043b\u043b\u0438\u0447\u0435\u0441\u043a\u0430\u044f \u043d\u0430\u043a\u043b\u0435\u0439\u043a\u0430 NFC 13,56 \u041c\u0413\u0446<\/strong> is a laminated NFC tag engineered to remain readable when adhered directly to metallic substrates. The construction combines a 13.56 MHz ISO\/IEC 14443A-compliant IC (NTAG213 \/ NTAG215 \/ NTAG216 or MIFARE Classic 1K variants) with a flexible PCB antenna printed on a polyimide substrate, backed by a 0.4-0.8 mm sintered ferrite absorber sheet that decouples the magnetic near-field from the underlying metal. This whitepaper documents the design requirements, materials selection, empirical read-range performance across common industrial metal substrates, integration notes for asset-management deployments, and manufacturing quality controls applied on our Shenzhen production line since 2008.<\/p>\n<p><!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 Hero \u56fe\u5360\u4f4d \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 --><\/p>\n<figure>\n<p><figure id=\"attachment_4639\" aria-describedby=\"caption-attachment-4639\" style=\"width: 1024px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" title=\"\u041d\u0430\u043a\u043b\u0435\u0439\u043a\u0430 NFC \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 \u043c\u0435\u0442\u0430\u043b\u043b\u0430, 13,56 \u041c\u0413\u0446 \u2014 FPC\u2011\u043c\u0435\u0442\u043a\u0430 \u043d\u0430 \u0444\u0435\u0440\u0440\u0438\u0442\u043e\u0432\u043e\u0439 \u043f\u043e\u0434\u043b\u043e\u0436\u043a\u0435, \u043f\u0440\u0438\u043a\u043b\u0435\u0435\u043d\u043d\u0430\u044f \u043a \u043f\u0440\u043e\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u043e\u043c\u0443 \u043c\u0435\u0442\u0430\u043b\u043b\u0438\u0447\u0435\u0441\u043a\u043e\u043c\u0443 \u043e\u0431\u043e\u0440\u0443\u0434\u043e\u0432\u0430\u043d\u0438\u044e \u0434\u043b\u044f \u043e\u0442\u0441\u043b\u0435\u0436\u0438\u0432\u0430\u043d\u0438\u044f \u0430\u043a\u0442\u0438\u0432\u043e\u0432\" src=\"https:\/\/www.toptaggroup.com\/wp-content\/uploads\/2022\/12\/b4aa5055-c9cb-4715-9b8c-a0ee0489b47b-1024x576.jpg\" alt=\"13.56MHz Anti-metal NFC Sticker \u2014 ferrite-backed FPC tag adhered to industrial metal equipment for asset tracking\" width=\"1024\" height=\"576\" class=\"wp-image-4639 size-large\" srcset=\"https:\/\/www.toptaggroup.com\/wp-content\/uploads\/2022\/12\/b4aa5055-c9cb-4715-9b8c-a0ee0489b47b-1024x576.jpg 1024w, https:\/\/www.toptaggroup.com\/wp-content\/uploads\/2022\/12\/b4aa5055-c9cb-4715-9b8c-a0ee0489b47b-300x169.jpg 300w, https:\/\/www.toptaggroup.com\/wp-content\/uploads\/2022\/12\/b4aa5055-c9cb-4715-9b8c-a0ee0489b47b-768x432.jpg 768w, https:\/\/www.toptaggroup.com\/wp-content\/uploads\/2022\/12\/b4aa5055-c9cb-4715-9b8c-a0ee0489b47b-1536x864.jpg 1536w, https:\/\/www.toptaggroup.com\/wp-content\/uploads\/2022\/12\/b4aa5055-c9cb-4715-9b8c-a0ee0489b47b-18x10.jpg 18w, https:\/\/www.toptaggroup.com\/wp-content\/uploads\/2022\/12\/b4aa5055-c9cb-4715-9b8c-a0ee0489b47b.jpg 1672w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption id=\"caption-attachment-4639\" class=\"wp-caption-text\">\u041d\u0430\u043a\u043b\u0435\u0439\u043a\u0430 NFC \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 \u043c\u0435\u0442\u0430\u043b\u043b\u0430, 13,56 \u041c\u0413\u0446 \u2014 FPC\u2011\u043c\u0435\u0442\u043a\u0430 \u043d\u0430 \u0444\u0435\u0440\u0440\u0438\u0442\u043e\u0432\u043e\u0439 \u043f\u043e\u0434\u043b\u043e\u0436\u043a\u0435, \u043f\u0440\u0438\u043a\u043b\u0435\u0435\u043d\u043d\u0430\u044f \u043a \u043f\u0440\u043e\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u043e\u043c\u0443 \u043c\u0435\u0442\u0430\u043b\u043b\u0438\u0447\u0435\u0441\u043a\u043e\u043c\u0443 \u043e\u0431\u043e\u0440\u0443\u0434\u043e\u0432\u0430\u043d\u0438\u044e \u0434\u043b\u044f \u043e\u0442\u0441\u043b\u0435\u0436\u0438\u0432\u0430\u043d\u0438\u044f \u0430\u043a\u0442\u0438\u0432\u043e\u0432<\/figcaption><\/figure><figcaption>13.56MHz Anti-metal NFC Sticker in field deployment. Ferrite-backed FPC construction reads reliably on steel, aluminium, and copper substrates.<\/figcaption><\/figure>\n<h2>1. Introduction \u2014 Why Standard NFC Fails on Metal<\/h2>\n<p>An NFC reader operates by generating an alternating magnetic field at 13.56 MHz. A tag&#8217;s antenna coil couples inductively to this field, drawing power to energise the IC and to backscatter the modulated data. When a conventional NFC tag \u2014 a copper or aluminium etched coil on a PET substrate \u2014 is placed against a metal surface, three physical effects destroy communication simultaneously. First, eddy currents induced in the metal generate a counter-magnetic field that partially cancels the reader&#8217;s field at the tag antenna. Second, the metal substrate detunes the antenna&#8217;s resonant frequency away from 13.56 MHz because it effectively shorts one plate of the tag&#8217;s tuning capacitance. Third, the tag&#8217;s Q factor collapses as the metal absorbs the coil&#8217;s stored magnetic energy as ohmic heat.<\/p>\n<p>The empirical result is a tag that reads 4-6 cm in free air but reads 0 cm when adhered to a steel filing cabinet, an aluminium server chassis, or a copper busbar. The 13.56MHz Anti-metal NFC Sticker solves this by inserting a ferrite absorber between the antenna coil and the metal surface \u2014 redirecting the magnetic flux so it couples to the reader coil rather than being dissipated in the underlying metal.<\/p>\n<h2>2. System Architecture<\/h2>\n<h3>2.1 Layer stack<\/h3>\n<p>From top (reader-facing) to bottom (metal-facing surface), the standard construction is:<\/p>\n<ul>\n<li><strong>Top overlay<\/strong>: 0.05 mm PET protective film, matte or gloss, print-ready surface.<\/li>\n<li><strong>Chip and antenna<\/strong>: 0.1 mm polyimide FPC substrate with 35-micron etched copper antenna, wire-bonded IC.<\/li>\n<li><strong>Ferrite absorber<\/strong>: 0.4 \/ 0.6 \/ 0.8 mm sintered NiZn ferrite sheet with permeability \u03bcr \u2248 130 at 13.56 MHz.<\/li>\n<li><strong>Adhesive<\/strong>: 3M 468MP or equivalent acrylic PSA, 0.05 mm, industrial grade, temperature-rated -40 \u00b0C to +150 \u00b0C.<\/li>\n<li><strong>Release liner<\/strong>: 0.075 mm siliconised PET, removed at installation.<\/li>\n<\/ul>\n<p>Total tag thickness ranges from 0.6 mm (thin variant, 0.4 mm ferrite) to 1.05 mm (thick variant, 0.8 mm ferrite). Thicker ferrite yields longer read range on metal but adds cost and reduces flexibility around curved substrates.<\/p>\n<h3>2.2 Why FPC over PET antenna<\/h3>\n<p>Flexible PCB (polyimide) substrates outperform PET-based antennas on metal for two reasons. Polyimide tolerates the 260 \u00b0C reflow required to solder small-form-factor NFC ICs directly (rather than using conductive adhesive bonding, which drifts over thermal cycles), giving lower antenna-to-IC contact resistance and a higher Q factor. Polyimide also survives industrial deployment temperature swings (-40 \u00b0C to +125 \u00b0C continuous, 150 \u00b0C short-term) whereas PET softens above 80 \u00b0C and delaminates from ferrite at 100 \u00b0C. Every 13.56MHz Anti-metal NFC Sticker we ship uses FPC antenna as standard; PET-based construction is available only as a cost-reduced option for indoor room-temperature deployments below MOQ 5,000 pcs.<\/p>\n<p><!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 \u5c42\u7ed3\u6784\u5256\u9762\u56fe\u5360\u4f4d \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 --><\/p>\n<figure>\n<p><figure id=\"attachment_4638\" aria-describedby=\"caption-attachment-4638\" style=\"width: 1024px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" title=\"8e88d3b5 bb7d 41a0 9d70 229fb7c0f876\" src=\"https:\/\/www.toptaggroup.com\/wp-content\/uploads\/2022\/12\/8e88d3b5-bb7d-41a0-9d70-229fb7c0f876-1024x576.jpg\" alt=\"13.56MHz anti-metal NFC sticker cross-section \u2014 PET overlay, FPC antenna, ferrite absorber, adhesive, release liner\" width=\"1024\" height=\"576\" class=\"wp-image-4638 size-large\" srcset=\"https:\/\/www.toptaggroup.com\/wp-content\/uploads\/2022\/12\/8e88d3b5-bb7d-41a0-9d70-229fb7c0f876-1024x576.jpg 1024w, https:\/\/www.toptaggroup.com\/wp-content\/uploads\/2022\/12\/8e88d3b5-bb7d-41a0-9d70-229fb7c0f876-300x169.jpg 300w, https:\/\/www.toptaggroup.com\/wp-content\/uploads\/2022\/12\/8e88d3b5-bb7d-41a0-9d70-229fb7c0f876-768x432.jpg 768w, https:\/\/www.toptaggroup.com\/wp-content\/uploads\/2022\/12\/8e88d3b5-bb7d-41a0-9d70-229fb7c0f876-1536x864.jpg 1536w, https:\/\/www.toptaggroup.com\/wp-content\/uploads\/2022\/12\/8e88d3b5-bb7d-41a0-9d70-229fb7c0f876-18x10.jpg 18w, https:\/\/www.toptaggroup.com\/wp-content\/uploads\/2022\/12\/8e88d3b5-bb7d-41a0-9d70-229fb7c0f876.jpg 1672w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption id=\"caption-attachment-4638\" class=\"wp-caption-text\">\u041f\u043e\u043f\u0435\u0440\u0435\u0447\u043d\u043e\u0435 \u0441\u0435\u0447\u0435\u043d\u0438\u0435 \u0430\u043d\u0442\u0438\u043c\u0435\u0442\u0430\u043b\u043b\u0438\u0447\u0435\u0441\u043a\u043e\u0439 NFC-\u043d\u0430\u043a\u043b\u0435\u0439\u043a\u0438 13,56 \u041c\u0413\u0446 \u2014 \u041f\u042d\u0422\u2011\u043f\u043e\u043a\u0440\u044b\u0442\u0438\u0435, FPC\u2011\u0430\u043d\u0442\u0435\u043d\u043d\u0430, \u0444\u0435\u0440\u0440\u0438\u0442\u043e\u0432\u044b\u0439 \u043f\u043e\u0433\u043b\u043e\u0442\u0438\u0442\u0435\u043b\u044c, \u043a\u043b\u0435\u0439, \u0437\u0430\u0449\u0438\u0442\u043d\u0430\u044f \u043f\u043e\u0434\u043b\u043e\u0436\u043a\u0430<\/figcaption><\/figure><figcaption>Layer stack cross-section. Ferrite absorber (\u03bcr \u2248 130) redirects magnetic flux away from underlying metal, preventing eddy-current cancellation.<\/figcaption><\/figure>\n<h2>3. Chip \/ Protocol \/ Encoding Details<\/h2>\n<p>Standard chip options for the 13.56MHz Anti-metal NFC Sticker line, all ISO\/IEC 14443A-compliant and readable by any NFC Forum-compatible reader (Android smartphones, iPhone 7+ with Core NFC, ACR122U desktop readers, PN532 modules):<\/p>\n<table>\n<tbody>\n<tr>\n<th>\u0427\u0438\u043f<\/th>\n<th>User memory<\/th>\n<th>Read\/write<\/th>\n<th>Typical use<\/th>\n<\/tr>\n<tr>\n<td>NTAG213<\/td>\n<td>144 \u0431\u0430\u0439\u0442\u0430<\/td>\n<td>NDEF R\/W<\/td>\n<td>URL launch, product authentication<\/td>\n<\/tr>\n<tr>\n<td>NTAG215<\/td>\n<td>504 \u0431\u0430\u0439\u0442\u0430<\/td>\n<td>NDEF R\/W<\/td>\n<td>vCard, multi-record NDEF, Amiibo-style<\/td>\n<\/tr>\n<tr>\n<td>NTAG216<\/td>\n<td>888 \u0431\u0430\u0439\u0442<\/td>\n<td>NDEF R\/W<\/td>\n<td>Rich payload, offline data storage<\/td>\n<\/tr>\n<tr>\n<td>NTAG213 TT (Tag Tamper)<\/td>\n<td>144 \u0431\u0430\u0439\u0442\u0430<\/td>\n<td>NDEF R\/W + tamper flag<\/td>\n<td>Sealed equipment, warranty void tracking<\/td>\n<\/tr>\n<tr>\n<td>MIFARE Classic 1K<\/td>\n<td>752 bytes<\/td>\n<td>Sector-encrypted<\/td>\n<td>Legacy access control, transit<\/td>\n<\/tr>\n<tr>\n<td>ICODE SLIX2 (ISO 15693)<\/td>\n<td>2528 bits<\/td>\n<td>Vicinity, long-range<\/td>\n<td>Library, inventory conveyor scan<\/td>\n<\/tr>\n<tr>\n<td>MIFARE DESFire EV2 2K<\/td>\n<td>2 KB<\/td>\n<td>AES-128 encrypted<\/td>\n<td>High-security asset tracking, closed-loop payment<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>NDEF encoding is performed at our factory as a standard service \u2014 customers submit a CSV of target URLs (or serialised URL patterns with a base URL + counter) and every sticker ships pre-encoded, read-locked if requested, ready for direct field deployment without on-site encoding stations. Cavity-level 100% electrical test verifies both the NDEF payload readback and the chip UID before packaging.<\/p>\n<h2>4. Performance Benchmarks \u2014 Read Range on Real Substrates<\/h2>\n<p>Read range for the 13.56MHz Anti-metal NFC Sticker is measured on our QC bench using a Google Pixel 8 (broadcom NFC controller, representative of modern Android smartphones) held perpendicular to the tag surface, with the tag adhered to test coupons of common industrial metals. Range is defined as the distance at which a full NDEF payload reads successfully in three consecutive attempts.<\/p>\n<table>\n<tbody>\n<tr>\n<th>Substrate<\/th>\n<th>0.4 mm ferrite<\/th>\n<th>0.6 mm ferrite<\/th>\n<th>0.8 mm ferrite<\/th>\n<th>Notes<\/th>\n<\/tr>\n<tr>\n<td>Free air (control)<\/td>\n<td>4.5 cm<\/td>\n<td>4.2 cm<\/td>\n<td>4.0 cm<\/td>\n<td>Ferrite marginally reduces free-air range<\/td>\n<\/tr>\n<tr>\n<td>304 stainless steel, 3 mm<\/td>\n<td>2.5 cm<\/td>\n<td>3.5 cm<\/td>\n<td>4.0 cm<\/td>\n<td>Most common industrial substrate<\/td>\n<\/tr>\n<tr>\n<td>Cold-rolled carbon steel, 5 mm<\/td>\n<td>2.2 cm<\/td>\n<td>3.2 cm<\/td>\n<td>3.8 cm<\/td>\n<td>Filing cabinets, tool chests<\/td>\n<\/tr>\n<tr>\n<td>Aluminium 6061, 3 mm<\/td>\n<td>2.8 cm<\/td>\n<td>3.8 cm<\/td>\n<td>4.2 cm<\/td>\n<td>Server chassis, laptop bodies<\/td>\n<\/tr>\n<tr>\n<td>Copper busbar, 5 mm<\/td>\n<td>2.0 cm<\/td>\n<td>3.0 cm<\/td>\n<td>3.5 cm<\/td>\n<td>Highest eddy-current substrate<\/td>\n<\/tr>\n<tr>\n<td>Cast iron, 8 mm<\/td>\n<td>2.3 cm<\/td>\n<td>3.3 cm<\/td>\n<td>3.8 cm<\/td>\n<td>Machine tool bases<\/td>\n<\/tr>\n<tr>\n<td>Titanium alloy Ti-6Al-4V, 2 mm<\/td>\n<td>3.0 cm<\/td>\n<td>4.0 cm<\/td>\n<td>4.3 cm<\/td>\n<td>Medical device housings<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Two engineering takeaways: (1) the 0.6 mm ferrite variant is the practical optimum for 90% of industrial deployments \u2014 it delivers 3-4 cm read range on all common metals while maintaining a total sticker thickness under 0.85 mm; (2) copper substrates require the 0.8 mm ferrite variant to reach acceptable range because copper&#8217;s conductivity is 60% higher than aluminium&#8217;s, generating proportionally stronger eddy currents. A conventional 13.56 MHz NFC sticker without ferrite (see our <a href=\"https:\/\/www.toptaggroup.com\/ru\/products\/nfc-stickers-13-56mhz\/\">standard NFC Stickers 13.56mhz<\/a> line) reads 0 cm on every substrate in the table above \u2014 this is the practical difference between an anti-metal design and a non-anti-metal design.<\/p>\n<p><!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 \u8bfb\u8ddd\u5b9e\u6d4b\u56fe\u5360\u4f4d \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 --><\/p>\n<figure>\n<p><figure id=\"attachment_4640\" aria-describedby=\"caption-attachment-4640\" style=\"width: 1024px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" title=\"\u0422\u0435\u0441\u0442 \u0434\u0430\u043b\u044c\u043d\u043e\u0441\u0442\u0438 \u0447\u0442\u0435\u043d\u0438\u044f NFC\u2011\u043d\u0430\u043a\u043b\u0435\u0439\u043a\u0438 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 \u043c\u0435\u0442\u0430\u043b\u043b\u0430 \u043d\u0430 \u0447\u0430\u0441\u0442\u043e\u0442\u0435 13,56 \u041c\u0413\u0446 \u2014 NFC\u2011\u0441\u0447\u0438\u0442\u044b\u0432\u0430\u0442\u0435\u043b\u044c Google Pixel 8, \u0442\u0435\u0441\u0442\u043e\u0432\u044b\u0435 \u043a\u0443\u043f\u043e\u043d\u044b \u0438\u0437 \u0441\u0442\u0430\u043b\u0438, \u0430\u043b\u044e\u043c\u0438\u043d\u0438\u044f, \u043c\u0435\u0434\u0438 \u0438 \u0442\u0438\u0442\u0430\u043d\u0430\" src=\"https:\/\/www.toptaggroup.com\/wp-content\/uploads\/2022\/12\/7104f943-fefd-4c8b-981a-3339eef62cf9-1024x583.jpg\" alt=\"13.56 MHz anti-metal NFC sticker read range test \u2014 Google Pixel 8 NFC reader, test coupons of steel, aluminium, copper, titanium\" width=\"1024\" height=\"583\" class=\"wp-image-4640 size-large\" srcset=\"https:\/\/www.toptaggroup.com\/wp-content\/uploads\/2022\/12\/7104f943-fefd-4c8b-981a-3339eef62cf9-1024x583.jpg 1024w, https:\/\/www.toptaggroup.com\/wp-content\/uploads\/2022\/12\/7104f943-fefd-4c8b-981a-3339eef62cf9-300x171.jpg 300w, https:\/\/www.toptaggroup.com\/wp-content\/uploads\/2022\/12\/7104f943-fefd-4c8b-981a-3339eef62cf9-768x437.jpg 768w, https:\/\/www.toptaggroup.com\/wp-content\/uploads\/2022\/12\/7104f943-fefd-4c8b-981a-3339eef62cf9-1536x874.jpg 1536w, https:\/\/www.toptaggroup.com\/wp-content\/uploads\/2022\/12\/7104f943-fefd-4c8b-981a-3339eef62cf9-18x10.jpg 18w, https:\/\/www.toptaggroup.com\/wp-content\/uploads\/2022\/12\/7104f943-fefd-4c8b-981a-3339eef62cf9.jpg 1662w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption id=\"caption-attachment-4640\" class=\"wp-caption-text\">\u0422\u0435\u0441\u0442 \u0434\u0430\u043b\u044c\u043d\u043e\u0441\u0442\u0438 \u0447\u0442\u0435\u043d\u0438\u044f NFC\u2011\u043d\u0430\u043a\u043b\u0435\u0439\u043a\u0438 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 \u043c\u0435\u0442\u0430\u043b\u043b\u0430 \u043d\u0430 \u0447\u0430\u0441\u0442\u043e\u0442\u0435 13,56 \u041c\u0413\u0446 \u2014 NFC\u2011\u0441\u0447\u0438\u0442\u044b\u0432\u0430\u0442\u0435\u043b\u044c Google Pixel 8, \u0442\u0435\u0441\u0442\u043e\u0432\u044b\u0435 \u043a\u0443\u043f\u043e\u043d\u044b \u0438\u0437 \u0441\u0442\u0430\u043b\u0438, \u0430\u043b\u044e\u043c\u0438\u043d\u0438\u044f, \u043c\u0435\u0434\u0438 \u0438 \u0442\u0438\u0442\u0430\u043d\u0430<\/figcaption><\/figure><figcaption>QC read-range bench. Google Pixel 8 held perpendicular, test coupons of stainless steel, carbon steel, aluminium, copper, cast iron, and titanium alloy.<\/figcaption><\/figure>\n<h2>5. Integration Notes for Asset Management Deployments<\/h2>\n<p>The dominant B2B use case for the 13.56MHz Anti-metal NFC Sticker is IT-asset tracking \u2014 labelling servers, network switches, laptops, monitors, and industrial equipment with a durable, tamper-evident, smartphone-readable ID. Integration considerations:<\/p>\n<p><strong>NDEF URL scheme<\/strong>. The recommended NDEF record is a single URI record pointing to `https:\/\/your-cmdb.example.com\/asset\/{UID}` where {UID} is the tag&#8217;s factory-programmed 7-byte NTAG UID. This lets any smartphone with a browser tap the tag and land on the CMDB asset page without a custom app. For deployments requiring an app (offline scanning, custom workflows), we support NDEF external-type records with custom MIME types on request.<\/p>\n<p><strong>Tag placement geometry<\/strong>. Anti-metal NFC stickers must be placed on a flat metal area at least 10 mm larger than the tag footprint in every direction; ferrite performance degrades at metal edges because flux escapes around the substrate. Curved surfaces with radii above 50 mm are compatible; radii below 30 mm require a flexible-ferrite variant (0.3 mm ferrite, MOQ 500 pcs). Avoid placing tags directly over ventilation slots, screw holes, or seams \u2014 the discontinuity behaves electromagnetically like an edge.<\/p>\n<p><strong>Reader ecosystem<\/strong>. Every current-generation Android smartphone with NFC (Google, Samsung, Xiaomi, OPPO, Motorola) and every iPhone from 7 onward reads the 13.56MHz Anti-metal NFC Sticker natively via the OS-level NFC service \u2014 no app required for URL-based deployments. For controlled reader deployments (fixed scanning stations, PDA-based inventory audits), the sticker reads on ACR122U desktop readers, ACR1252U USB readers, ACR1255U-J1 Bluetooth readers, Zebra TC series enterprise handhelds, and PN532-based custom hardware. Customers who deploy fixed-reader stations often pair this SKU with the ACR122U NFC Reader for gate-in \/ gate-out asset check workflows \u2014 consolidating tag and reader supply into a single PO, one HS Code (8523.52), one customs entry.<\/p>\n<h2>6. Manufacturing &amp; Quality<\/h2>\n<p>Production runs on one of five dedicated lines inside a 5,000 m\u00b2 Shenzhen facility. Antenna etching is performed on a chemical wet-etch line calibrated to hold trace width tolerance to \u00b120 microns \u2014 critical because the antenna&#8217;s inductance (and therefore its resonant frequency) is proportional to trace length and inversely proportional to trace width squared. Ferrite sheets are sourced from qualified Japanese and Chinese suppliers and lot-tested for permeability by a network analyser on 10-piece samples per lot; sheets falling outside \u03bcr = 120-140 at 13.56 MHz are rejected before entering the laminator.<\/p>\n<p>Chip bonding uses a KEYENCE flip-chip bonder with anisotropic conductive paste, cured at 180 \u00b0C for 12 seconds. Every finished sticker passes through a tunnel-reader test station that measures three parameters per unit: (1) NDEF payload readback pass\/fail, (2) received signal strength at a 3 cm coupling distance on a reference steel plate, and (3) resonant frequency shift from the 13.56 MHz nominal \u2014 units drifting outside \u00b1150 kHz are flagged for lot investigation because a systematic drift usually indicates a ferrite lot problem rather than an antenna defect. Batch-traceable CSV mapping of UID-to-NDEF-payload ships with every order for customers running CMDB import scripts.<\/p>\n<h2>7. Specifications<\/h2>\n<table>\n<tbody>\n<tr>\n<th>Parameter<\/th>\n<th>\u0426\u0435\u043d\u043d\u043e\u0441\u0442\u044c<\/th>\n<\/tr>\n<tr>\n<td>\u0427\u0430\u0441\u0442\u043e\u0442\u0430<\/td>\n<td>13.56 MHz \u00b1 150 kHz<\/td>\n<\/tr>\n<tr>\n<td>\u041f\u0440\u043e\u0442\u043e\u043a\u043e\u043b<\/td>\n<td>ISO\/IEC 14443A (NFC Forum Type 2\/4); ISO 15693 (ICODE variant)<\/td>\n<\/tr>\n<tr>\n<td>Chip options<\/td>\n<td>NTAG213 \/ NTAG215 \/ NTAG216 \/ NTAG213 TT \/ MIFARE Classic 1K \/ ICODE SLIX2 \/ MIFARE DESFire EV2 2K<\/td>\n<\/tr>\n<tr>\n<td>\u0410\u043d\u0442\u0435\u043d\u043d\u0430<\/td>\n<td>FPC (polyimide + 35 \u03bcm etched Cu); PET as cost-reduced option<\/td>\n<\/tr>\n<tr>\n<td>Ferrite absorber<\/td>\n<td>Sintered NiZn, \u03bcr \u2248 130 @ 13.56 MHz; 0.4 \/ 0.6 \/ 0.8 mm thickness<\/td>\n<\/tr>\n<tr>\n<td>Total thickness<\/td>\n<td>0.60 mm (thin) \/ 0.85 mm (standard) \/ 1.05 mm (thick)<\/td>\n<\/tr>\n<tr>\n<td>Standard shapes<\/td>\n<td>Round \u00d825 \/ \u00d830 \/ \u00d838 mm; square 25\u00d725 \/ 30\u00d730 \/ 38\u00d738 mm; rectangle 45\u00d715 \/ 50\u00d730 mm<\/td>\n<\/tr>\n<tr>\n<td>Custom die-cut<\/td>\n<td>Any shape \u2265 15\u00d715 mm from CAD file; MOQ 1,000 pcs for custom mould<\/td>\n<\/tr>\n<tr>\n<td>Adhesive<\/td>\n<td>3M 468MP acrylic PSA (standard); 3M VHB 5952 (heavy-duty, MOQ 500)<\/td>\n<\/tr>\n<tr>\n<td>Read range on metal<\/td>\n<td>2.0-4.3 cm on steel \/ aluminium \/ copper \/ titanium (see benchmark table)<\/td>\n<\/tr>\n<tr>\n<td>Read range in free air<\/td>\n<td>4.0-4.5 cm<\/td>\n<\/tr>\n<tr>\n<td>\u0420\u0430\u0431\u043e\u0447\u0430\u044f \u0442\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u0430<\/td>\n<td>-40 \u00b0C to +125 \u00b0C continuous; +150 \u00b0C for \u2264 1 hour<\/td>\n<\/tr>\n<tr>\n<td>\u0422\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u0430 \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f<\/td>\n<td>-25 \u00b0C to +85 \u00b0C, \u2264 65% RH<\/td>\n<\/tr>\n<tr>\n<td>\u0421\u043e\u0445\u0440\u0430\u043d\u0435\u043d\u0438\u0435 \u0434\u0430\u043d\u043d\u044b\u0445<\/td>\n<td>&gt; 10 \u043b\u0435\u0442<\/td>\n<\/tr>\n<tr>\n<td>Write endurance<\/td>\n<td>100,000 cycles (NTAG); 500,000 cycles (DESFire EV2)<\/td>\n<\/tr>\n<tr>\n<td>\u041f\u0435\u0447\u0430\u0442\u044c<\/td>\n<td>Full-colour CMYK on top overlay; Pantone \u0394E \u2264 2.0 verified on Konica Minolta spectrophotometer<\/td>\n<\/tr>\n<tr>\n<td>Serialisation<\/td>\n<td>Sequential UID printing \/ QR code printing with CSV mapping<\/td>\n<\/tr>\n<tr>\n<td>\u0421\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u044b<\/td>\n<td>ISO 9001:2015 (factory); RoHS 2011\/65\/EU; REACH SVHC; CE RED for finished-goods claim<\/td>\n<\/tr>\n<tr>\n<td>HS Code<\/td>\n<td>8523.52<\/td>\n<\/tr>\n<tr>\n<td>MOQ<\/td>\n<td>100 pcs (stock shape + stock chip); 500 pcs (custom NDEF encoding); 1,000 pcs (custom die-cut)<\/td>\n<\/tr>\n<tr>\n<td>\u0421\u0440\u043e\u043a \u0438\u0437\u0433\u043e\u0442\u043e\u0432\u043b\u0435\u043d\u0438\u044f<\/td>\n<td>7-14 business days standard; +30-40 days over Chinese New Year<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>8. Compliance and Regulatory Notes<\/h2>\n<p>The 13.56MHz Anti-metal NFC Sticker is a passive RFID tag \u2014 it emits no RF energy of its own and requires no radio type approval in any jurisdiction. Bulk shipments to the EU are covered by our RoHS 2011\/65\/EU declaration and REACH SVHC candidate-list statement; both documents are refreshed against the current EU Chemicals Agency register at every quarterly review. FCC approval is not required for passive HF tags. For medical-device labelling deployments, the standard adhesive is not ISO 10993 biocompatible; a medical-grade adhesive variant is available at 1,000 pc MOQ with the appropriate documentation.<\/p>\n<p>For high-durability outdoor or chemical-exposure environments \u2014 asset tracking on oil rigs, chemical plants, marine equipment \u2014 the standard laminated construction is not the correct product. Buyers in those environments should evaluate our <a href=\"https:\/\/www.toptaggroup.com\/ru\/products\/epoxy-anti-metal-nfc-sticker\/\">Epoxy Anti-Metal NFC Sticker<\/a>, which encapsulates the same electronic stack in a rigid polyurethane epoxy dome rated for continuous outdoor exposure, chemical splash, and mechanical abrasion \u2014 at roughly 3\u00d7 the unit cost but with 5+ years of documented field survival where the laminated construction would fail within 12-18 months.<\/p>\n<h2>9. FAQ (Engineering)<\/h2>\n<h3>Can the sticker be printed with custom artwork and still work?<\/h3>\n<p>Yes. CMYK ink is non-conductive and does not affect antenna performance. Silver or metallic-effect inks are the exception \u2014 they degrade read range measurably and should be avoided in the antenna area. UV overprint varnish is compatible and adds abrasion resistance.<\/p>\n<h3>Does the sticker require a specific adhesive for stainless steel?<\/h3>\n<p>The standard 3M 468MP acrylic PSA achieves 90% of ultimate bond strength within 24 hours on properly prepared stainless steel (isopropyl alcohol wipe, 20 \u00b0C surface temperature). For cold environments below 5 \u00b0C at installation, or for texture-blasted stainless, upgrade to 3M VHB 5952 which uses acrylic foam construction and self-conforms to microscopic surface irregularities.<\/p>\n<h3>What happens if the sticker is bent during installation?<\/h3>\n<p>Ferrite sheet is sintered ceramic and cracks at bend radii below 15 mm \u2014 a bent tag will still read at reduced range if the ferrite cracks are perpendicular to the antenna coil, but will fail completely if cracks align with the coil turns. Flexible-ferrite variants (polymer-matrix ferrite composite) tolerate 5 mm bend radius but reduce read range by roughly 20% versus rigid sintered ferrite.<\/p>\n<h3>How is the 13.56MHz Anti-metal NFC Sticker verified against my specific asset?<\/h3>\n<p>Free 10-unit sample kit ships in 5-7 business days to any verified company address. Customers commonly send us a photograph of the target asset plus its material specification; we recommend the correct ferrite thickness and shape, and the sample kit ships pre-configured. If your metal substrate is unusual (nickel-plated brass, silicon steel, magnetically-soft alloy), send a small coupon and we bench-test range before recommending the SKU.<\/p>\n<h2>10. Order and Sample Request<\/h2>\n<p>Manufactured on one of five dedicated production lines inside a 5,000 m\u00b2 Shenzhen facility operating since 2008, our 13.56MHz Anti-metal NFC Sticker line ships to IT-asset integrators, industrial equipment OEMs, library systems, and automotive aftermarket distributors across 100+ countries. MOQ 100 pcs on stock configurations; free 10-unit sample kit in 5-7 business days. Customers who source anti-metal NFC stickers from us also frequently consolidate their POs across our HF NFC reader line, UHF anti-metal hard tags, and 125 kHz LF assets \u2014 one supplier across the 193-SKU RFID catalogue, one HS Code (8523.52), one customs clearance.<\/p>\n<p><strong>Request samples or a bulk quote:<\/strong><\/p>\n<ul>\n<li>Email: <a href=\"mailto:nick@toptaggroup.com\">nick@toptaggroup.com<\/a><\/li>\n<li>WhatsApp: <a href=\"https:\/\/api.whatsapp.com\/send?phone=85259896589\" rel=\"nofollow noopener\" target=\"_blank\">+852 5989 6589<\/a><\/li>\n<li>WeChat: 147891664<\/li>\n<li>Or open a project ticket via our <a href=\"https:\/\/www.toptaggroup.com\/ru\/contact-us\/\">\u0421\u0432\u044f\u0436\u0438\u0442\u0435\u0441\u044c \u0441 \u043d\u0430\u043c\u0438<\/a> page.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p class=\"!mt-2 !mb-2 leading-relaxed\"><strong class=\"font-semibold text-zinc-900 dark:text-zinc-100\">13.56MHz Anti-metal NFC Sticker \u2014 Ferrite-Backed FPC Tag for Metal Surfaces<\/strong><\/p>\n<p class=\"!mt-2 !mb-2 leading-relaxed\">Our 13.56MHz Anti-metal NFC Sticker is a laminated ISO\/IEC 14443A tag engineered to remain readable when adhered directly to steel, aluminium, copper, cast iron, or titanium substrates \u2014 where a conventional NFC sticker reads 0 cm. Construction combines an FPC (polyimide) antenna, an NTAG213 \/ NTAG215 \/ NTAG216 \/ MIFARE Classic 1K \/ ICODE SLIX2 \/ DESFire EV2 chip (NDEF-encoded to your CSV at our factory), and a 0.4-0.8 mm sintered NiZn ferrite absorber (\u03bcr \u2248 130) that redirects magnetic flux away from underlying metal. Bench-verified 2.0-4.3 cm read range on real industrial substrates using a Google Pixel 8. Operating range -40 \u00b0C to +125 \u00b0C continuous.\u00a0<strong class=\"font-semibold text-zinc-900 dark:text-zinc-100\">MOQ 100 pcs; free 10-unit sample kit ships in 5-7 business days from our ISO 9001:2015 Shenzhen facility (operating since 2008). HS Code 8523.52.<\/strong><\/p>","protected":false},"featured_media":4641,"template":"","adweb_product_categories":[177],"adweb_product_tags":[1264,1283,1280,1273,1265,1274,1282,1272,1278,1276,1279,1267,1271,1268,1269,1270,1266,1275,1277,1281],"gallery":[4641],"order":"0","acf":[],"_links":{"self":[{"href":"https:\/\/www.toptaggroup.com\/ru\/wp-json\/wp\/v2\/adweb_products\/1978"}],"collection":[{"href":"https:\/\/www.toptaggroup.com\/ru\/wp-json\/wp\/v2\/adweb_products"}],"about":[{"href":"https:\/\/www.toptaggroup.com\/ru\/wp-json\/wp\/v2\/types\/products"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.toptaggroup.com\/ru\/wp-json\/wp\/v2\/media\/4641"}],"wp:attachment":[{"href":"https:\/\/www.toptaggroup.com\/ru\/wp-json\/wp\/v2\/media?parent=1978"}],"wp:term":[{"taxonomy":"adweb_product_cat","embeddable":true,"href":"https:\/\/www.toptaggroup.com\/ru\/wp-json\/wp\/v2\/adweb_product_categories?post=1978"},{"taxonomy":"adweb_product_tag","embeddable":true,"href":"https:\/\/www.toptaggroup.com\/ru\/wp-json\/wp\/v2\/adweb_product_tags?post=1978"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}