Chemical-Resistant Epoxy RFID
RFID Epoxy Tag
Industrial Resin Encapsulation
Quick answer
RFID epoxy tags fully encapsulate an NFC, HF or UHF inlay inside a monolithic dome of industrial-grade two-part epoxy resin. The rigid, seamless, solvent-cast construction is qualified to IPC-A-610H Class 3 + JEDEC JESD22-A104 thermal-cycle + J-STD-020E MSL-1 moisture-sensitivity + IEC 60068-2 full severity matrix — the electronics-reliability envelope required for long-life industrial identification in refineries, chemical plants, offshore platforms, outdoor asset yards, automotive engine-bay and utility-infrastructure deployments. UL 94 V-0 flame rating + RoHS 3 (EU 2015/863) + REACH SVHC compliance + California Proposition 65 + NSF/ANSI 51 + FDA 21 CFR 175.300 resin-grade options unlock regulated deployments.
- Monolithic two-part industrial epoxy dome — zero seams, zero gaskets, zero moisture-ingress paths. Qualified to IPC-A-610H Class 3 + IPC/JEDEC J-STD-020E MSL-1 + JEDEC JESD22-A104F 1,000 thermal cycles −40 °C ↔ +125 °C for long-life refinery, chemical-plant, offshore and outdoor-infrastructure deployments.
- UL 94 V-0 flame-rated + UL 746A electrical-insulation qualified + ATEX 2014/34/EU Ex m / IECEx IEC 60079-18 encapsulated protection + NFPA 70 NEC Class I Div 1 / 2 hazardous-area compatible. RoHS 3 (EU 2015/863) + REACH SVHC + California Proposition 65 + TSCA substance-compliance.
- Six epoxy grades: standard DGEBA amine-cured + silica-filled 200 °C high-temp + UV-stable hybrid epoxy-silicone + flame-retardant V-0 + optically-clear aerospace + FDA 21 CFR 175.300 food-grade. ASTM D543 chemical-resistance covers aliphatic + aromatic hydrocarbons, 10 % HCl, 20 % H₂SO₄, 30 % NaOH, jet-fuel, brake-fluid, lubricating oils.
Used in these industries
Deployments where this product is referenced on our industry landing pages.
At a glance
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Operating envelope
Continuous service: −40 °C to +150 °C (standard two-part epoxy) / −55 °C to +200 °C (silica-filled high-temp epoxy) Short-burst peaks to +220 °C (≤30 min excursion) per...
Form factors (6 SKUs)
Epoxy coin dome 12 / 20 / 25 / 30 mm diameter × 3-5 mm — 3M VHB 5952 / 4941 or M3 / M4 screw Epoxy rectangular plaque 50 × 30 × 4 mm — 3M VHB 4941 + M4 through-hole + ta...
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Request quote and samples- Typical pricing
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USD 0.35–0.80 /pc @ 5k+ (typical FOB Shenzhen range) — firm quote in one business day.
Commercial terms
- MOQ
- Varies by SKU — stock items from 100 pcs; custom production typically 200-1,000 pcs
- Lead time
- Production 2-3 weeks after artwork and encoding sign-off; reorders on a 3-4 week cycle
- Samples
- Free samples and RF test report with every order; courier at customer cost
- Payment
- 50% T/T deposit, 50% before shipment; Net 30/60 for established accounts; LC for large orders
- Shipping
- FOB Shenzhen / Yantian; DHL, FedEx or EMS air freight; sea LCL / FCL for volume
- Response
- Itemized quote within one business day, Mon-Fri (UTC+8)
Why adhesive-label, plastic-housed and snap-fit RFID tags fail in industrial chemical environments
- Plastic-housed RFID tags (ABS / PC / PVC / PA) crack, yellow, chalk and become brittle after 6-18 months of outdoor UV exposure per ASTM G154 QUV Cycle 1 + ISO 4892-2 accelerated-weathering. Refineries + chemical plants + offshore platforms disqualify <5-year tag-life architectures at asset-integrity-management (AIM) audit.
- Adhesive-backed labels (3M 7613T / 7874T / 7871) lose bond on surfaces contaminated with oil, grease, paint-overspray or chemical-residue. Surface-energy drops below the wetting threshold of typical 38-42 dyne/cm acrylic adhesives, driving label-detachment rates of 3-8 % per year on industrial equipment.
- Tags with ultrasonic-welded or snap-fit housings allow progressive moisture ingress through the seam over 12-36 months — hydrolysis of internal bond-wires + antenna etch drives gradual read-rate degradation from 99 % to <80 % before outright failure.
- High-temperature environments above 100 °C (steam-trap + autoclave + engine-bay + exhaust-adjacent) exceed the rating of standard tag housings + acrylic adhesives. ABS / PC melt above 150-180 °C; 3M VHB 4941 holds 149 °C continuous but loses bond above 232 °C long-term.
- Hazardous-area installations in Class I Div 1 / 2 gas + Class II Div 1 / 2 dust per NFPA 70 NEC Article 500 require encapsulation per IEC 60079-18 Ex m. Standard plastic-housed tags are not ATEX / IECEx approved and are non-compliant for zone-rated installations.
No shell, no seam, no way in
Plastic-housed tags fail at the seam; an epoxy tag has none. The inlay — NFC, HF or UHF — is cast inside one monolithic dome of industrial two-part resin, built to IPC-A-610H Class 3, the acceptance class written for safety-critical electronics.
- -40 °C to +150 °C continuous on standard resin, -55 °C to +200 °C silica-filled, with +220 °C excursions to 30 min per JEDEC JESD22-A103D.
- 1,000 thermal cycles -40 °C ↔ +125 °C per JESD22-A104F Condition G with read-rate still ≥99.5 percent.
- Read ranges: 2-8 cm NFC tap (ISO/IEC 14443-A, 13.56 MHz), 30-100 cm HF ICODE SLIX2 class (ISO/IEC 15693), 1-5 m off-metal / 0.5-3 m on-metal UHF (ISO/IEC 18000-63, 860-960 MHz).
- Chip menu spans NTAG + ICODE NFC / HF parts, MIFARE Classic and DESFire EV3 access-control options, Monza R6-P + M750 / M770 / M775 Autotune UHF, and HITAG LF at 125-134 kHz.
- IP68 at 10 m and IP69K at 100 bar per IEC 60529 + ISO 20653 — there is no gasket to age out.
- MSL-1 per J-STD-020E: unlimited floor life at ≤30 °C / 85 % RH, because solid resin has no cavity to condense in.
The chemical gauntlet, per ASTM D543
The qualification list reads like a wash-bay inventory: 10 % HCl, 20 % H2SO4, 30 % NaOH, IPA, MEK, toluene, aliphatic and aromatic hydrocarbons — then a 100 bar / 80 °C jet-wash to rinse. The resin takes the bath so the inlay never does.
- Refinery and chemical-plant CMLs: epoxy discs at API 570 piping and API 510 pressure-vessel condition-monitoring locations.
- Hazardous areas: ATEX Ex m / IECEx encapsulation per IEC 60079-18 — epoxy is the approved encapsulation compound itself.
- Food-adjacent sanitary zones: FDA 21 CFR 175.300 resin + NSF/ANSI 51 flush-mount button SKU; outdoor estates get the UV-stable hybrid with 20-year ASTM G154 weathering.
Industrial-grade epoxy RFID architecture + reliability qualification
- Monolithic two-part industrial-grade bisphenol-A DGEBA epoxy resin with amine or anhydride hardener cured at 80-120 °C for 4-24 h. Zero seams, zero gaskets, zero moisture-ingress paths. Tg 130-175 °C standard / 180-220 °C silica-filled high-temp variant. Young's modulus 3-5 GPa + flexural strength 100-150 MPa.
- Qualified to IPC-A-610H Class 3 acceptability + IPC/JEDEC J-STD-020E Moisture Sensitivity Level 1 (MSL-1 unlimited floor life) + JEDEC JESD22-A104F 1,000 cycles −40 °C ↔ +125 °C Condition G + JEDEC JESD22-A110E Highly Accelerated Temperature Humidity Stress Test (HAST) 130 °C / 85 % RH / 96 h.
- Full IEC 60068-2 severity matrix: −40 °C cold (Test Ab) + 150 °C dry heat (Bb) + thermal shock (Na) + shock (Ea) + damp-heat cyclic (Db) + damp-heat steady (Cab) + salt mist (Kb) + random vibration (Fh). Report-pack accompanies each production lot for customer quality-system audit.
- UV + outdoor-weathering: ASTM G154 QUV Cycle 1 2,000 h + ASTM D4329 + ASTM G155 xenon-arc + ISO 4892-2 outdoor-weathering. ASTM B117 neutral-salt-spray 500 h + ISO 9227 NSS / AASS / CASS cyclic-corrosion. UV-stable hybrid epoxy-silicone grade qualifies for 20+ year offshore CX / industrial C5-M corrosivity zones per ISO 12944-2 / -5 / -9.
- Flammability + smoke + toxicity: UL 94 V-0 flame rating (non-halogenated) + UL 94 5VA + UL 746A electrical insulation + ASTM E662 smoke density + ASTM E162 surface flammability + FAR 25.853 Part IV aerospace + EN 45545-2 rail HL1-HL3 + NFPA 70 NEC Article 500 Class I Div 1 / 2 hazardous-area with ATEX Ex m + IECEx IEC 60079-18 encapsulated protection.
Six epoxy form-factor SKUs + mounting methods
- Epoxy coin dome 12 / 20 / 25 / 30 mm diameter × 3-5 mm — 3M VHB 5952 (260 °C peak / 149 °C continuous) or 3M VHB 4941 general-purpose or M3 / M4 cap-screw through-hole. Baseline SKU for asset-tag + equipment-ID + tool-crib applications.
- Epoxy rectangular plaque 50 × 30 × 4 mm — larger footprint for extended UHF read-range + on-board tamper-evident void-sticker overlay + M4 through-hole + lockwire option.
- Epoxy on-metal disc 25 × 5 mm — ferrite isolation layer for direct steel / aluminium / stainless-steel mounting without spacer foam. 1-3 m UHF read-range on metal.
- Epoxy anti-spark hazardous-area 30 × 8 mm — ATEX 2014/34/EU Ex m encapsulated protection + IECEx IEC 60079-18 + 316L stainless back-plate. For Zone 1 / 21 gas + dust hazardous installations.
- Epoxy outdoor infrastructure 40 × 25 × 6 mm — UV-stable hybrid epoxy-silicone with ASTM G154 QUV 2,000 h + 20-year outdoor rating. For utility-pole + streetlight + transformer + switchgear + street-furniture tagging.
- Epoxy food-grade sanitary 25 × 4 mm — FDA 21 CFR 175.300 + NSF/ANSI 51 resin + EHEDG Doc. 8 flush-mount button. For food + dairy + beverage + pharma-process equipment non-contact sanitary zones.
Refinery, chemical-plant, offshore + hazardous-area deployments
- API 570 piping-inspection CMLs (Condition Monitoring Locations): epoxy-disc tags placed at ITP inspection-test-points on refinery piping circuits. Identifier-linked to AspenTech aspenONE + Honeywell Uniformance + Emerson AMS CML-history for RBI risk-based-inspection interval calculation.
- API 510 pressure-vessel + API 653 storage-tank asset-identification: epoxy-plaque tags on vessel head + nozzle flanges + tank-shell inspection plates. Evidence archived to IBM Maximo for Oil & Gas + Bentley AssetWise APM + AVEVA PI for API Mechanical Integrity programmes.
- Offshore platform asset-integrity: ISO 19902 + NORSOK N-001 + DNV-RP-0423 CX corrosivity + API RP 2SIM Structural Integrity Management — UV-stable hybrid-epoxy disc with 316L backplate + M6 stud-weld at splash-zone + atmospheric-zone positions.
- Hazardous-area Zone 1 / 21 gas + dust: ATEX 2014/34/EU Ex m encapsulated + IECEx IEC 60079-18 encapsulation 'm' protection + UL 913 Intrinsic Safety + NFPA 70 NEC Article 500 Class I Div 1 / 2 (gas) + Class II Div 1 / 2 (dust) + CEC Section 18 Canadian hazardous-locations.
- Subsea oil-and-gas components: DNV-OS-F101 submarine pipeline + API 17D / 17E subsea + ISO 13628 subsea production systems — epoxy housing + 316L carrier + M10 stud + 20-year design-life. Tag-linked digital twin integrated with SAP S/4HANA Asset Intelligence Network + PTC ServiceMax for offshore field-service records.
Outdoor infrastructure, automotive engine-bay + food-processing deployments
- Utility pole + streetlight + transformer + switchgear tags: UV-stable hybrid epoxy-silicone with 20-year ASTM G154 QUV weathering + ISO 12944 C5-M coating-system compatibility. Integrated with Oracle WAM + Survalent SCADA + Trimble Unity + Esri ArcGIS Utility Network for inspection / maintenance / vegetation-management workflows.
- Automotive engine-bay + chassis tags: under-hood thermal + vibration + fuel + lubricating-oil + brake-fluid + EGR-condensate exposure qualified to AEC-Q100 + IATF 16949 + VDA 6.3 + Ford WSS-M99P32-A + GMW 14162 + Chrysler PF-11274 test matrices.
- Food + dairy + beverage process-equipment non-contact sanitary zones: FDA 21 CFR 175.300 resinous coating + NSF/ANSI 51 food-equipment material + EHEDG Doc. 8 + 3-A Sanitary 74-07 peripheral-equipment identification (not food-contact primary surface — silicone sanitary-button SKU preferred for direct food-contact deployments).
- Pharma + bio-process support-equipment: EU GMP Annex 1 2023 Grade C / D perimeter + ASME BPE:2022 peripheral + ISPE Baseline Guide Vol 1 — epoxy tags on non-sterile-field utility + HVAC + CIP-skid equipment.
- Mining + heavy-equipment + rail-transit: ISO 50001 energy + ISO 14001 environmental + ISO 45001 safety + MSHA 30 CFR Part 75 mining + FRA 49 CFR rail safety + AAR M-1003 Interchange Rules + EN 45545-2 rail fire-safety.
Validation + operator-integrator deployment patterns
- Buyer-side playbook — epoxy-RFID: per IPC-A-610H Class 3 acceptance criteria, every production lot accompanies IPC/JEDEC J-STD-020E MSL-1 reflow-sensitivity report + JEDEC JESD22-A104F 1,000-cycle thermal-cycling report + ASTM D543 chemical-resistance per-chemistry panel. Post-qualification read-rate ≥99.5 % acceptance gate maintained.
- UV + weathering qualification: per ASTM G154 QUV Cycle 1 2,000 h + ISO 4892-2 + ASTM B117 500 h neutral-salt-spray + ISO 9227 cyclic-corrosion, tags validated with <2 % read-rate degradation + no surface cracking, chalking or yellowing per ISO 4628-3 rust + 4628-10 filiform scales.
- Hazardous-area certification: ATEX 2014/34/EU Ex m + IECEx IEC 60079-18 + UL 913 Intrinsic Safety + UL 121201 Nonincendive — per-tag coverage letter + declaration-of-conformity archived per RoHS 3 + REACH SVHC + IEC 62474 material-declaration.
- Cybersecurity: NTAG 424 DNA SUN CMAC AES-128 per-tap signature (NXP AN12196) + MIFARE DESFire EV3 AES-128 mutual-auth + UCODE DNA AES-128 + ECDSA digital-signature anti-counterfeit. Backend HSM verification on AWS KMS / Azure Key Vault / Google Cloud KMS.
- Proud Tek delivers per-lot IPC-A-610H Class 3 acceptance-audit + J-STD-020E MSL-1 CoA + JEDEC JESD22-A104 thermal-cycle report + IEC 60068-2 environmental-test report + UL 94 V-0 flame-rating + RoHS 3 + REACH SVHC + California Prop 65 declaration + 36-month warranty + IEC 62474 material-declaration per order.
Key performance metrics
Commodity vs Proud Tek qualified epoxy build
Adhesive-label / plastic-housed / snap-fit RFID
- Plastic housing cracks + yellows after 6-18 months of UV exposure.
- Adhesive label detaches on oil / grease / paint-overspray surfaces.
- Ultrasonic-weld + snap-fit seam hydrolysis drives 12-36 month read-rate decay.
- Standard acrylic adhesive fails above 150 °C or 3 % H₂SO₄ / 10 % NaOH.
- Not ATEX / IECEx / UL hazardous-area compliant — disqualified at audit.
Monolithic industrial-grade epoxy RFID
- Monolithic two-part epoxy + zero-seam dome + IPC-A-610H Class 3 + J-STD-020E MSL-1.
- JEDEC JESD22-A104F 1,000 cycles −40 °C ↔ +125 °C + HAST 130 °C / 85 % RH / 96 h.
- UV-stable hybrid epoxy-silicone 20-year ASTM G154 QUV + ISO 12944 C5-M / CX.
- ATEX 2014/34/EU Ex m + IECEx IEC 60079-18 + UL 913 + NFPA 70 NEC Article 500 compliant.
- RoHS 3 + REACH SVHC + California Prop 65 + TSCA + IEC 62474 declaration per order.
Electronics-reliability + hazardous-area regulatory anchor
IPC-A-610H Class 3 defines high-performance / safety-critical acceptance criteria for electronic assemblies. IPC/JEDEC J-STD-020E + JEDEC JESD22-A104F + JEDEC JESD22-A110E cover moisture-sensitivity + thermal-cycling + HAST qualification. IEC 60079-18 defines encapsulation 'm' protection for hazardous-area (Zone 1 / 21) installations. UL 94 V-0 defines the flame-rating benchmark for plastic materials. Industrial-grade two-part epoxy is the qualified housing that simultaneously satisfies all four criteria across refinery, chemical-plant, offshore + outdoor-infrastructure deployments. (Sources: IPC + JEDEC + IEC + UL Solutions — IPC-A-610H + J-STD-020E + JESD22-A104F + IEC 60079-18 + UL 94.)
- IPC-A-610H Class 3
- JEDEC JESD22-A104F
- IEC 60079-18
- UL 94 V-0
Deployment timeline
- Phase 1 — Environment + resin grade selection (weeks 1-3)
Environment inventoried: chemical-exposure matrix per ASTM D543 + temperature-envelope + UV-hours per ASTM G154 + hazardous-area zone per NFPA 70 NEC + ATEX 2014/34/EU. Epoxy grade selected: standard DGEBA (−40 / 130 °C), silica-filled high-temp (−55 / 200 °C), UV-stable hybrid epoxy-silicone (20-year outdoor), flame-retardant V-0 (aerospace + rail), optically-clear (logo-brand), FDA 21 CFR 175.300 food-grade. Chip selected from NTAG 213-216 / NTAG 424 DNA / ICODE SLIX2 / Impinj M775 / UCODE 9xe / UCODE DNA. Identifier scheme finalised (SGTIN-96 / GIAI-96 / GRAI-96).
- Phase 2 — Qualification + first-article (weeks 4-8)
IPC-A-610H Class 3 acceptance-audit + J-STD-020E MSL-1 reflow + JESD22-A104F 1,000 cycles + JESD22-A110E HAST 130/85/96. Full IEC 60068-2 severity matrix per order. ASTM D543 chemical-resistance + ASTM G154 QUV 2,000 h + ASTM B117 500 h. UL 94 V-0 + ATEX Ex m + IECEx IEC 60079-18 as required. First-article inspection + PPAP Level 3. Material-declaration per RoHS 3 + REACH SVHC + Prop 65 + IEC 62474.
- Phase 3 — Pilot deployment + read-infrastructure (weeks 9-14)
Pilot line: Impinj R700 / R420 fixed + Zebra FX9600 + Honeywell IH-25 handheld for UHF; PN5190 / TRF7970A / ST25R3916 for NFC / HF. EPCIS 2.0 middleware integration to SAP S/4HANA + IBM Maximo + Bentley AssetWise + AVEVA PI + AspenTech aspenONE + Honeywell Uniformance. API 570 / 510 / 653 CML-history templates configured.
- Phase 4 — Full rollout + continuous audit (weeks 15-26)
Full production rollout 5,000-500,000 tags. Read-rate SLA ≥99.5 % handheld + ≥99.0 % fixed-portal after IPC-A-610H Class 3 + JESD22-A104 + IEC 60068-2 qualification. API 570 / 510 / 653 + ATEX / IECEx + NFPA 70 + UL 121201 + AS9100D + IATF 16949 audit readiness. Per-lot test-report archive maintained for 20-year offshore + 10-year industrial asset-life traceability in SAP S/4HANA Asset Intelligence Network + PTC Windchill + Siemens Teamcenter.
Applications for RFID epoxy tags
- Refinery + chemical-plant API 570 piping + API 510 pressure-vessel + API 653 storage-tank CMLs (Condition Monitoring Locations) + RBI inspection-test-point identification.
- Offshore platform asset-integrity: ISO 19902 + NORSOK N-001 + DNV-RP-0423 CX corrosivity + API RP 2SIM structural-integrity-management.
- Hazardous-area Zone 1 / 21 gas + dust installations: ATEX 2014/34/EU Ex m + IECEx IEC 60079-18 + UL 913 + NFPA 70 NEC Article 500 Class I / II Div 1 / 2.
- Outdoor infrastructure: utility-pole + streetlight + transformer + switchgear + street-furniture tags with 20-year UV-stable hybrid epoxy + ISO 12944 C5-M coating.
- Automotive engine-bay + chassis + under-hood thermal + vibration + fuel-exposure identification qualified to AEC-Q100 + IATF 16949 + VDA 6.3.
- Mining + heavy-equipment + rail-transit: MSHA 30 CFR Part 75 + FRA 49 CFR + AAR M-1003 + EN 45545-2 rail fire-safety + Class 1 Zone 0 intrinsic-safety.
The reference shelf, at a glance
The qualification library, condensed.
Electronics reliability
IPC-A-610H Class 3, J-STD-020E MSL-1, JEDEC JESD22-A104F cycling + A110E HAST, IEC 60068-2 climatic series.
Flammability + hazardous area
UL 94 V-0 + 5VA, UL 746 series, FAR 25.853 aerospace, EN 45545-2 rail HL1-HL3, IEC 60332-1-2 + IEC 60695-11-10 flame tests, ATEX Ex ia / Ex m + IECEx IEC 60079-18.
Substance compliance
RoHS 3 ten substances, REACH SVHC list, TSCA + PFAS inventory, California Prop 65, NSF/ANSI 51 + FDA 21 CFR 175.300 food-contact.
Resin grades
Standard DGEBA, silica-filled high-temp low-CTE, UV-stable epoxy-silicone hybrid, non-halogenated flame-retardant, optically-clear, food-grade.
MOQ + lead time
500-1,000 units standard coin + plaque; 2,000-5,000 custom / logo-embedded; 3-10 weeks by grade; 2-week pilot builds of 100-500 units.
Warranty + QC
36 months, ≥99.5 percent read-rate after 1,000 JEDEC cycles; ISO 9001:2015 quality system (certificate 98026Q00274R000 — we do not hold IATF 16949); per-lot IPC Class 3, ASTM D543 chemical and G154 QUV testing; PPAP Level 3 submission pack on request.
Useful next pages
Use these linked product, guide and comparison pages to keep the next click specific and practical.
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Chip-level technical reference
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FAQ
What chemicals can the epoxy tag withstand?
The industrial-grade two-part DGEBA + amine-cured epoxy resin resists continuous exposure per ASTM D543 chemical-resistance classification: aliphatic + aromatic hydrocarbons (gasoline + diesel + jet-A + toluene + xylene), alcohols (IPA + ethanol + methanol), ketones (acetone + MEK short-term only), 10 % HCl, 20 % H₂SO₄, 30 % NaOH + 10 % NH₄OH, brake-fluid DOT-4/5.1, lubricating oils + transmission fluids, CIP detergents + enzymatic cleaners. The silica-filled anhydride-cured high-temp variant extends resistance to concentrated acids + bases + aggressive solvents for petrochemical service. Share your specific chemical-exposure profile (chemistry + concentration + temperature + immersion / splash / wipe + duration / frequency) for a validated ASTM D543 material-selection recommendation.
Is the epoxy tag ATEX + IECEx + UL hazardous-area approved?
Yes. The Proud Tek epoxy tag qualifies under ATEX Directive 2014/34/EU Ex m encapsulated protection + IECEx Scheme IEC 60079-18 (Equipment protection by encapsulation 'm') + UL 913 Intrinsic Safety + UL 121201 Nonincendive + NFPA 70 NEC Article 500 Class I Div 1 / 2 (gas) + Class II Div 1 / 2 (dust) + CEC Section 18. Applications include Zone 1 / 21 gas + dust hazardous installations in refineries, chemical plants, offshore platforms + fuel-handling facilities. The encapsulation compound is the approved barrier preventing ignition of surrounding explosive atmospheres. Declaration of conformity + coverage letter + material-declaration per RoHS 3 + REACH SVHC + IEC 62474 supplied per order.
Can the epoxy tag be used on metal?
Yes. Two variants are offered: (1) on-metal tuned with embedded ferrite isolation layer (25 × 5 mm disc or 50 × 30 × 4 mm plaque) delivering 1-3 m UHF read-range on steel / aluminium / stainless / cast-iron without spacer foam, and (2) standard off-metal for non-metallic mounting (plastic + glass + composite + painted / powder-coated surfaces) with 3-6 m UHF range. Specify on-metal when ordering if mounting is metallic — the ferrite isolation layer prevents antenna-to-metal detuning that otherwise collapses read-range to 10-30 cm on a standard off-metal tag.
How is the tag attached to the asset?
Primary method: industrial-grade 3M VHB 5952 (260 °C peak / 149 °C continuous) or 3M VHB 4941 general-purpose acrylic structural adhesive — bond strength 15-25 N/cm² on clean / dry / surface-prepared substrate. Secondary method: mechanical M3 / M4 cap-screw + Nyloc locknut or pop-rivet through mounting-hole for mission-critical retention. Tertiary method: ATEX hazardous-area variant uses 316L stainless back-plate + M6 stud-weld + high-temp two-part epoxy mounting-cement (Aremco Duralco 4460 / Loctite EA 9340) for 200 °C + permanent retention. Surface preparation critical per 3M application-bulletin: clean to ≥38 dyne/cm wetting energy + isopropyl-alcohol degrease + 24-h cure at ambient.
Sources & references
Primary standards, OEM datasheets and regulatory documents cited by this article. All URLs were verified on the access date shown below.
- IPC-A-610H — Acceptability of Electronic Assemblies
Industry-consensus acceptance criteria for electronic assemblies — Class 3 for high-performance / safety-critical / life-support systems.
- IPC/JEDEC J-STD-020E — Moisture / Reflow Sensitivity Classification
Joint industry standard for classifying the moisture sensitivity level (MSL 1-6) of non-hermetic surface-mount devices.
- JEDEC JESD22-A104F — Temperature Cycling
JEDEC test standard for temperature cycling of solid-state surface-mount devices — Conditions A-G spanning −65 °C to +175 °C.
- IEC 60068-2 Series — Environmental Testing
IEC 60068-2 suite covering cold, dry heat, damp heat, thermal shock, shock, vibration, salt mist + climatic sequence testing for electrotechnical products.
- UL 94 — Tests for Flammability of Plastic Materials for Parts in Devices and Appliances
Flammability classification standard — V-0 / V-1 / V-2 / 5VA / 5VB / HB ratings for plastic materials used in electronic devices + appliances.
- EU RoHS 3 Directive 2015/863 amending Annex II of 2011/65/EU
RoHS 3 adds four phthalates (DEHP + BBP + DBP + DIBP) to the original six heavy-metal + flame-retardant restrictions — effective 22 July 2019.
- EU REACH Regulation (EC) No 1907/2006 + SVHC Candidate List
EU chemicals registration + restriction + authorisation regulation — SVHC Candidate List (Dec 2024 update) governs Art. 33 communication + Annex XVII restrictions.
- ATEX Directive 2014/34/EU + IEC 60079-18 Equipment protection by encapsulation 'm'
EU ATEX Directive for equipment intended for use in potentially explosive atmospheres + IEC 60079-18 covers encapsulation 'm' protection including epoxy compounds.
- API 570 — Piping Inspection Code (4th Edition, 2024)
API inspection code covering in-service piping systems in petrochemical + refinery + process industries — Condition Monitoring Locations (CMLs) + RBI intervals.
- GS1 EPC Tag Data Standard v2.1 + EPCIS 2.0
GS1 EPC Tag Data Standard v2.1 — SGTIN-96 / GIAI-96 / GRAI-96 binary encoding + EPCIS 2.0 ObjectEvents with industrial-asset bizStep vocabulary.
Proud Tek is a Shenzhen-based RFID & NFC manufacturer supplying hotel chains, transit operators, event venues and retail brands worldwide. Every order includes free samples, RF testing and dedicated project support.
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