Dysprosium Oxide (Dy2O3)

Description

1. Product Overview

Dysprosium Oxide (Dy₂O₃) is a high-purity rare earth compound essential for manufacturing neodymium-iron-boron (NdFeB) permanent magnets that operate reliably at elevated temperatures. Its primary industrial use is as a critical dopant in NdFeB magnets for electric vehicle (EV) traction motors, wind turbine generators, and high-performance aerospace actuators. The key value proposition is unparalleled thermal stability—preserving magnetic coercivity above 150°C where standard magnets fail. Strategically, Dy₂O₃ is a non-substitutable material for decarbonization technologies, making it a supply-chain-critical commodity for any industrial buyer committed to electrification and energy transition goals.

2. Key Specifications & Technical Characteristics

• Chemical Composition: Dy₂O₃ (Dysprosium Oxide), TREO ≥ 99.5%

• Purity Level / Grade:

  • Standard Industrial Grade: 99.5% – 99.9% (Dy₂O₃/TREO)

  • High-Purity Grade: 99.99% – 99.999% (for advanced sputtering targets)

  • Low Impurity Profile: Fe₂O₃ ≤ 10 ppm, CaO ≤ 50 ppm, Cl⁻ ≤ 100 ppm

• Physical Characteristics:

  • Form: Fine white powder (no agglomerates, free-flowing)

  • Particle Size (D50): 2.0 – 5.0 µm (customizable down to 0.8 µm for sintering)

  • Bulk Density: 1.2 – 1.8 g/cm³ (tapped)

  • Specific Surface Area (BET): 4 – 10 m²/g

• Packaging Options: 25 kg sealed aluminum foil bags; 500 kg FIBC super sacks; 1 MT steel drums with desiccant; vacuum-sealed drums upon request

• Shelf Life: 36 months when stored in original, unopened packaging in dry, ambient conditions (RH < 40%, 5–30°C)

3. Core Industrial Applications

• Primary Industries: Electric vehicle drivetrain manufacturing, wind energy (direct-drive turbines), industrial robotics, high-end audio, defense & aerospace (actuators and gyroscopes).

• Specific Operational Use Cases:

  • EV traction motors: Dy₂O₃ is reduced to dysprosium metal, then alloyed into NdFeB magnets to raise coercivity (Hcj) from 15 kOe to over 25 kOe at 180°C operating temperatures.

  • Offshore wind turbines: Enables magnet stability in gearless, high-torque generators subjected to variable thermal loads.

  • High-precision robotics: Dy-doped magnets maintain positioning accuracy without demagnetization under stall currents.

• Performance Advantage: Standard SmCo or AlNiCo magnets lose 20–40% of field strength above 150°C. Dy₂O₃-derived magnets retain >95% of flux, reducing motor size by 30% and eliminating active cooling loops in many designs.

• Commercial Advantage: Lower total cost of ownership (TCO) through extended motor life and higher power density per kilogram of magnet.

4. Competitive Advantages

• Quality Consistency: Lot-to-lot variation < 1.5% (ISO 17025-certified lab with ICP-OES and XRD verification); each batch includes certificate of analysis (COA) and traceability to mining source.

• Supply Reliability: Multi-continent sourcing (China, Australia, USA) with 20+ MT safety stock held in Rotterdam and Singapore warehouses. Lead time: 10–14 days for pallet quantities; 25–35 days for FCL orders.

• Logistics Capability: UN3077 environmentally hazardous substance compliant packaging; full IMDG, IATA, and ADR documentation provided.

• Price Competitiveness: Transparent formula pricing linked to Asian Metal indices minus volume rebate (2–7% for annual contracts).

• Sustainability: Conflict-free supply chain certified under RMI (Responsible Minerals Initiative); zero discharge of acidic wastewater in processing; 98% of byproducts recycled.

• Technical Support: Dedicated metallurgist support for powder pressing, sintering, and reduction-to-metal process optimization. Full safety data sheets (SDS) and REACH/ROHS3 compliance documentation available on demand.

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): 20 kg for standard 99.5% grade; 5 kg for high-purity (99.99%) grade

• BULK 20MT Loading Capacity: 20 metric tons per 20-foot dry container (stacked pallets, 1,000 kg FIBCs, 20 units)

• Incoterms supported: EXW (loading port), FOB (Shanghai/Rotterdam/Los Angeles), CIF (major global ports)