Terbium Oxide Residue

Description

1. Product Overview

Terbium Oxide Residue is a high-value rare earth secondary material recovered from industrial processing streams, containing concentrated terbium oxide (Tb4O7) along with trace rare earth elements. Its primary industrial use is as a cost-effective feedstock for rare earth separation, phosphor manufacturing, and specialty alloy production where high-purity terbium is required. The key value proposition lies in delivering critical terbium content at a lower entry cost than primary oxides, enabling manufacturers to optimize raw material spend without compromising downstream performance. Strategically, this material is vital amid tightening global terbium supply and rising demand from green energy, electronics, and defense sectors, positioning it as a key enabler of supply chain resilience and margin protection.

2. Key Specifications & Technical Characteristics

• Chemical Composition: Terbium Oxide (Tb4O7) 25.0–38.0% min; Total Rare Earth Oxides (TREO) 60.0–75.0%; Balance: La2O3, CeO2, Y2O3, Fe2O3, SiO2, CaO, and other trace oxides
• Purity Level / Grade: Industrial Recovery Grade; Tb4O7/TREO ratio ≥ 40%
• Physical Characteristics:
  • Form: Fine to granular powder
  • Color: Dark brown to blackish-brown
  • Particle Size: D50 45–150 μm, 95% passing 200 mesh
  • Bulk Density: 1.8–2.3 g/cm³
  • Moisture Content: ≤ 1.5% LOD
• Packaging Options: 1 MT woven PP jumbo bags with PE liner, 25 kg kraft paper bags on pallets, or customized per buyer requirements
• Shelf Life: Chemically stable; 24 months when stored in sealed packaging, cool/dry conditions away from moisture and acids

3. Core Industrial Applications

• Primary Industries: Rare earth separation & refining, LED & display phosphors, solid oxide fuel cells, specialty glass/polishing, NdFeB magnet doping, and defense electronics
• Specific Operational Use Cases: Used as input material for solvent extraction to recover high-purity Tb4O7; dopant in green phosphors for trichromatic lamps and displays; additive in magneto-optic materials and garnet crystals; feedstock for terbium metal production via calciothermic reduction
• Performance vs. Alternatives: Offers significantly lower $/kg Tb content cost compared to 99.9% primary Tb4O7, while maintaining chemical suitability for most intermediate processing. Reduces reliance on mined concentrate and shortens procurement lead times
• Efficiency, Durability, Cost Advantages: Enables buyers to hedge against terbium price volatility; maximizes yield in separation circuits due to pre-concentrated Tb content; lowers working capital tied up in inventory versus spot purchases of high-grade oxide

4. Competitive Advantages

• Quality Consistency: Every lot is ICP-OES tested and supplied with Certificate of Analysis; Tb4O7 content variance controlled to ±1.5%
• Supply Reliability: Backed by long-term tolling agreements with licensed recycling facilities; 200+ MT/month stable output capacity
• Logistics Capability: FOB major Chinese ports; experienced in IMDG Class 9 compliance, DG documentation, and CIQ export clearance for rare earth materials
• Price Competitiveness: Residue pricing indexed to TREO and Tb content, typically 30–45% below primary 3N Tb4O7 on a contained-Tb basis
• Sustainability Benefits: Circular economy product; reduces mining demand and associated environmental footprint. Eligible for Scope 3 emissions reporting support
• Technical Support & Documentation: Full MSDS, TDS, radioactivity test reports, and non-conflict minerals statement provided. On-call metallurgical support for process integration

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): BULK 20MT
• Loading Capacity: 20MT per 20’ FCL container