Rare Earth Magnet Material (REM-08)

Description

1. Product Overview

The Rare Earth Magnet Material (REM-08) is a high-performance sintered neodymium-iron-boron (NdFeB) alloy, engineered for extreme magnetic energy output in compact form factors. It is primarily used in high-torque electric motors, wind turbine generators, and precision aerospace actuators where power density and thermal stability are non-negotiable. With an industry-leading maximum energy product (BHmax) of 52 MGOe and exceptional coercivity (Hcj) up to 30 kOe, REM-08 delivers the strategic advantage of reducing system weight and energy loss—directly addressing global mandates for electrification and efficiency.

2. Key Specifications & Technical Characteristics

• Chemical Composition: Nd₂Fe₁₄B-based with proprietary dysprosium (Dy 3.5–5.0%) and terbium (Tb 0.8–1.2%) grain boundary diffusion for high-temperature stability

• Purity / Grade: N52UH (highest grade for ultra-high temperature use); REM-08 certified to ISO 9001:2024

• Physical Characteristics:

  • Form: Sintered blocks, discs, or custom precision-ground geometries

  • Color: Silver-grey with nickel-copper-nickel (Ni-Cu-Ni) or epoxy coating

  • Particle size (pre-alloy powder): 3–5 µm D50

  • Density: 7.55–7.65 g/cm³

• Packaging Options: Vacuum-sealed anti-corrosion bags + individual plastic cases + 5-layer export cartons with desiccant; nitrogen-purged steel drums available on request

• Shelf Life: >5 years when stored at <35°C, <65% RH, with no demagnetization below 150°C operating peak

3. Core Industrial Applications

• Electric Vehicle (EV) traction motors: REM-08 enables 5–8% higher torque density compared to N48SH grades, reducing motor weight by 1.2–1.8 kg per unit—direct range benefit.

• Direct-drive wind turbines: Maintains >95% magnetic flux retention at 150°C continuous operation, lowering generator failure rates by 40% relative to standard N50 grades.

• Medical MRI systems: Ultra-low irreversible flux loss (<1% over 10 years) ensures calibration stability, outperforming ferrite-based alternates that drift within 18 months.

• Aerospace actuators (flight control surfaces): High coercivity eliminates thermal runaway risk at 180°C peak, certified to MIL-STD-810H vibration tolerance.

*Why REM-08 wins:* Lower total cost of ownership (TCO) due to reduced cooling requirements and longer service intervals—no performance drop after 2,000 thermal cycles from -40°C to +150°C.

4. Competitive Advantages

• Quality consistency: Every batch undergoes BH hysteresisgraph testing with 99.97% traceability; CpK >1.67 on Br and Hcj.

• Supply reliability: Backed by three geographically redundant production lines (China, Vietnam, Mexico) ensuring no single point of failure.

• Logistics capability: 48-hour dispatch for up to 50 MT; door-to-door tracking with bonded warehousing in EU, US, and SE Asia.

• Price competitiveness: Direct ore-to-magnet integration eliminates broker margins—price locked for up to 12 months on volumes >20 MT.

• Sustainability: 98% recycled heavy rare earth content eligible for LEED v5 credits; fully REACH and RoHS compliant.

• Technical support: Full CAD models, FEA simulation data, and application engineering included with first purchase.

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): BULK 20 metric tons (MT) per product grade per shipment (test samples of 50 kg available at 2× MOQ price)

• Loading capacity per container:

  • 20-ft dry container: 22 MT (max)

  • 40-ft high-cube: 26 MT (optimized palletization)

Lead time: 15 days from PO and deposit for 20–100 MT; 30 days for custom geometries. Payment terms: LC at sight or 30% TT advance / 70% against B/L.