EMI / EMC Shielding with NP1 Nickel Mesh
The electromagnetic shield for the 5G, IoT and defence electronics era — 65–75 dB attenuation across the critical frequency spectrum.
Market Snapshot
Market size: USD 22–24 billion · CAGR: 10–12% · Key standard: ASTM D4935
Why NP1 Nickel Wire Is Critical for EMI Shielding
Electromagnetic interference (EMI) is the fastest-growing signal-integrity problem in modern electronics. As 5G infrastructure densifies, IoT device populations double every 18 months, and military avionics consolidate higher-frequency systems, the shielding performance required at every layer of the electronic stack has escalated beyond what conventional materials can deliver.
NP1 nickel mesh provides 65–75 dB shielding effectiveness across the 30 MHz–16 GHz range — the critical band for mobile communications, WiFi, Bluetooth, satellite, and radar. Its combination of ferromagnetic permeability and electrical conductivity attenuates both magnetic and electric field components simultaneously, something aluminium and copper-only shields cannot achieve without stacked-material compromise.
The 0.025mm wire geometry allows weaving of optically-translucent, thermally-managed, lightweight mesh structures — enabling shielding of display windows, thermal-critical modules and weight-sensitive aerospace assemblies that would be impossible with solid metallic shielding.
Technical Performance Data
| Frequency Range | Shielding Effectiveness | Application Domain |
|---|---|---|
| 30 MHz – 1 GHz | 65–70 dB | Mobile communications |
| 1 GHz – 6 GHz | 70–75 dB | WiFi, Bluetooth |
| 6 GHz – 16 GHz | 68–72 dB | Satellite, radar |
Testing method: ASTM D4935. Data derived from coordinated shielding-effectiveness tests on woven NP1 mesh samples.
Market Size and Growth Drivers
The global EMI shielding market is sized at USD 22–24 billion with a projected CAGR of 10–12% through 2030 (Aranca Ltd, August 2025). Growth is driven by four simultaneous demand waves:
- 5G rollout — densified small-cell networks increase per-site shielding requirements fivefold versus 4G.
- IoT device proliferation — IoT device count doubles approximately every 18 months; each device introduces new shielding demand.
- Automotive electronics — EV powertrains and ADAS systems require shielding against switching frequencies unprecedented in conventional vehicles.
- Defence avionics — AESA radar, electronic warfare and secure communications demand the highest-end shielding.
Validation & Case Study
A 70 dB shielding effectiveness rating corresponds to a 10,000-fold reduction in electromagnetic field strength — the practical threshold for co-locating high-power transmitters with sensitive digital electronics. NP1 mesh routinely achieves this level across the measured band while remaining optically transparent at 100-mesh weave density.
Supply Chain Significance
EMI shielding demand scales directly with global electronics production — a demand curve that cannot be paused. With NP1 wire representing only 4% of pure nickel wire volume and a Class 1 nickel deficit of 710,000 tonnes projected by 2029, existing certified NP1 stock is the only near-term route to the high-performance shielding grades the 5G and defence sectors require.
Frequently Asked
Shielding effectiveness is measured in decibels (dB). Every 10 dB represents a tenfold reduction in field strength; 70 dB therefore corresponds to a 10,000,000× reduction. Typical consumer electronics require 40–60 dB, commercial avionics 60–80 dB, and strategic defence systems 80+ dB.
NP1 nickel is ferromagnetic — it attenuates magnetic as well as electric field components. Copper and aluminium are excellent at electric-field attenuation but require stacked multi-material builds to match the combined magnetic-plus-electric performance of nickel at high frequencies. Nickel mesh delivers both in a single lightweight layer.
Yes. At 100-mesh weave density, NP1 nickel mesh remains substantially light-transparent while maintaining 65–70 dB shielding at 1 GHz — ideal for display windows, instrument panels and sensor apertures.
This Material Is Now Tokenised
7,026,905 linear metres of independently verified NP1 nickel wire, valued at USD 1.64 billion, has been contributed to Alkemya Metacore SCSp and tokenised as ALKN — a regulated digital security listed on Bitfinex Securities, HydraX (Singapore) and Archax (UK). For qualified investors seeking regulated exposure to this industrial asset, ALKN provides direct participation in the asset's performance and the operating cash flows of Green Transitional Metals Pte. Ltd. (GTX).
ALKN tokens are offered exclusively to non-US qualified investors. For informational purposes only — not an offer to sell securities.