High-performance permanent magnets engineered to optimize separation efficiency in high-intensity machinery.
Magnetic separation technology has transitioned from a fundamental mineral extraction process into a sophisticated, multi-billion dollar industrial sector. Globally, modern processes demand extreme purity in raw material processing and robust mechanisms to protect downstream machinery from damaging tramp metal. By utilizing custom magnetic separation modules—such as high-intensity magnetic grates, drums, traps, and cross-belt self-cleaning separators—industries are securing both product quality and system runtime.
With the rapid rise of the global circular economy, recycling facilities depend on eddy current systems and high-gradient neodymium magnetic separators to separate non-ferrous and ferrous fractions from municipal solid waste and electronic scrap. Furthermore, the global shift toward clean energy requires deep-bed magnetic separation to purify cobalt, lithium, and quartz particles. Laysun Magnetics stands at the nexus of this revolution, supplying the ultra-high coercivity permanent NdFeB magnets that drive these robust industrial processes.
Watch our precision manufacturing pipeline and explore the actual factory floors where high-grade NdFeB magnets are processed.
Why Zhejiang Laysun Magnetics Ltd. provides unparalleled stability, scaling, and cost efficiency to global enterprises.
By controlling raw material sourcing through local alliances and refining rare earth materials directly at our 100,000 m² modern manufacturing hub in Sichuan, we minimize mid-channel raw material volatility and assure structural stability in our NdFeB supply chain.
An annual production capacity of 5,000 tons of rare earth neodymium magnets guarantees we can fulfill massive scale orders and bulk projects without schedule slippage. Standard orders and custom configurations move smoothly from design to delivery.
We run high-precision, automatic plating lines for Ni-Cu-Ni, epoxy, parylene, zinc, and specialized rubber encasements. This ensures our custom magnets resist corrosive and chemically aggressive separation environments without magnetic degradation.
Engineering customizable magnetic solutions across diverse physical frameworks and specialized systems.
Delivering high-coercivity block and arc-segment NdFeB magnets that sustain extreme temperatures and high centrifugal loads inside EV drive motors and EPS (Electric Power Steering) units.
Precision engineered arc segments optimized for wind turbine generators and industrial voice coil motors (VCMs), ensuring reliable flux patterns and long operational life.
Ultra-thin, precision-toleranced ring magnets customized for smartphones, magnetic MagSafe chargers, smart wearables, and advanced haptic feedback actuators.
Refer to this quick matrix for selecting appropriate magnetic grades for high-gradient separation or industrial motors.
| Magnetic Grade | Remanence (Br) - kG | Coercivity (Hcb) - kOe | Intrinsic Coercivity (Hcj) - kOe | Max Energy Product (BH)max | Max Working Temp |
|---|---|---|---|---|---|
| N35 - N52 | 11.7 - 14.8 | ≥ 10.8 | ≥ 12.0 | 33 - 53 MGOe | 80 °C / 176 °F |
| N35M - N50M | 11.7 - 14.3 | ≥ 11.1 | ≥ 14.0 | 33 - 51 MGOe | 100 °C / 212 °F |
| N35H - N48H | 11.7 - 13.9 | ≥ 11.4 | ≥ 17.0 | 33 - 49 MGOe | 120 °C / 248 °F |
| N33SH - N45SH | 11.3 - 13.6 | ≥ 11.0 | ≥ 20.0 | 31 - 46 MGOe | 150 °C / 302 °F |
| N30UH - N40UH | 10.8 - 12.8 | ≥ 10.6 | ≥ 25.0 | 28 - 41 MGOe | 180 °C / 356 °F |
| N28EH - N38EH | 10.4 - 12.5 | ≥ 10.1 | ≥ 30.0 | 26 - 39 MGOe | 200 °C / 392 °F |
The magnetic separation sector is experiencing rapid advancements driven by automation and smart diagnostics. Modern magnetic separators are increasingly integrated with IoT sensors that monitor magnetic flux degradation and real-time scrap loading in industrial lines. If the field gradient drops below a specific threshold, systems notify maintenance teams to prevent downstream damage.
Another major trend is the development of eco-friendly and corrosion-resistant coatings. High-humidity environments, acid runoffs, and high-salinity separation tanks demand that NdFeB blocks have exceptional anti-oxidation protection. Innovation in multilayer physical vapor deposition (PVD) coatings is extending the lifespan of these separation assemblies, allowing them to remain active for decades without magnetic loss.
Zhejiang Laysun Magnetics Ltd. works at the forefront of these advances, researching and applying advanced sintered alloys that resist thermal demagnetization. We ensure that our systems remain reliable even under continuous temperatures of up to 200°C (392°F).
We maintain a stringent quality management system to ensure global reliability, compliance, and material traceability.
Our quality management processes are certified under strict international standards, guaranteeing consistent dimensional tolerances and magnetic stability.
Every batch of sintered rare earth powder undergoes comprehensive spectrographic testing to verify chemical purity and prevent oxidation defects.
Utilizing advanced testing equipment, including 3D optical coordinate measuring machines, demagnetization curve testers, and salt spray testing chambers.
Key structural criteria to consider before placing bulk orders for customized magnetic separation systems.
Sintered Neodymium magnets have standard operational boundaries of 80°C. If your processes exceed this limit, you should specify higher temperature grades (such as M, H, SH, UH, EH, or AH), which utilize dysprosium (Dy) and terbium (Tb) additives to prevent thermal demagnetization.
Separating fine ferrous particles from wet slurries or liquid streams requires robust corrosion protection. Multi-layer Ni-Cu-Ni plating or industrial-grade epoxy coatings shield the magnets from oxidation, maintaining consistent performance and extending system life.
Separation equipment must withstand continuous exposure to opposing magnetic fields. Utilizing certified NdFeB magnets with high intrinsic coercivity (Hcj) protects your separation systems from premature loss of magnetic force.
Expert technical answers to help engineering and procurement teams optimize their setups.
High-coercivity permanent NdFeB configurations designed for heavy-duty industrial applications, wind turbines, and automotive motors.
Get instant access to our comprehensive technical catalog, which includes detailed dimensions, magnetic properties, and wholesale pricing tables. Let our engineering team help optimize your systems.
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