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Ganzhou Wanfeng is a trusted manufacturer of Lutetium Metal for Industrial and Optical Use in China. We provide various purity levels and customizable sizes. Our Lutetium Metal is ideal for high-performance applications in industries like aerospace, nuclear, and optical systems. Contact Ganzhou Wanfeng today!
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Lutetium Metal (Lu) is a silvery-white rare-earth metal renowned for its exceptional density, corrosion resistance, and unique optical properties. With a CAS number of 7439-94-3 and an atomic weight of 174.97 g/mol, this metal offers purity levels of 99.9%-99.995% (4N-5N), featuring a melting point of 1663°C and a density of 9.84 g/cm³—the highest among all lanthanides. Its combination of high thermal conductivity, low neutron absorption cross-section, and ability to form stable intermetallic compounds makes it indispensable in high-precision industrial and optical systems.
1. Ultra-High Purity: Stringent purification via vacuum distillation ensures transition metal impurities (Fe, Ni, Cu) <10 ppm, critical for maintaining optical clarity in laser components.
2. Dimensional Stability: Maintains ductility and formability at elevated temperatures (up to 1000°C), enabling precision machining into complex shapes for aerospace connectors.
3. Optical Reflectivity: High reflectance in the infrared spectrum (8-14 μm) makes it ideal for coating materials in thermal imaging mirrors and astronomical telescopes.
4. Corrosion Resistance: Protected by a tenacious Lu₂O₃ oxide layer in humid air, ensuring long-term reliability in marine and industrial environments.
5. Nuclear Compatibility: Low neutron absorption (5.1 barns) suits it for use in nuclear reactor control systems and radiation shielding materials.
• Optical Coatings: Sputtered as thin films on infrared lenses to enhance reflectivity and reduce thermal emissivity, improving image contrast in night vision devices.
• High-Temperature Alloys: Alloyed with cobalt and chromium to create superalloys for gas turbine blades, increasing creep resistance by 30% at 1200°C.
• Medical Devices: Used in MRI contrast agents as a stable Lu³+ ion source, enabling high-resolution imaging of soft tissues without biological toxicity.
• Research & Development: Serves as a reference material in mass spectrometry and as a dopant in single-crystal semiconductors for quantum computing research.
• Electroplating: Deposited as a protective layer on aluminum components in automotive electronics, leveraging its sacrificial corrosion properties to extend service life.
Q: Is there any export limitation for the material in China?
A: Since April 2025, our country put Lutetium as dual use item, which is under strict export limitation in China.
But the export licence can be possibly permitted if the end user and end user are not related with military use.
Q: What forms does Lutetium Metal typically available in?
A: Offered as ingots (1-5 kg), rod stock (diameter 3-20 mm), and sputtering targets (purity ≥99.95%), with custom geometries available via precision casting.
Q: How does its density impact industrial applications?
A: The high density (9.84 g/cm³) provides superior mass efficiency in weight-sensitive aerospace components, while maintaining structural integrity under thermal stress.
Q: Can it be used in cryogenic environments?
A: Yes, it retains mechanical properties down to -200°C, making it suitable for cryogenic valves and superconducting magnet supports.
Q: What is the primary challenge in processing Lutetium Metal?
A: Its high melting point requires specialized furnaces (e.g., electron beam melting) to avoid contamination during casting or welding.
Q: Is there a market for recycled Lutetium Metal?
A: Emerging recycling technologies recover up to 90% from end-of-life optical devices, though current availability remains limited due to low natural abundance.
| Parameter | Value |
|---|---|
| Material Name | Lutetium Metal |
| Chemical Formula | Lu |
| CAS Number | 7439-94-3 |
| EINECS Number | 231-103-0 |
| Molecular Weight | 174.97 g/mol |
| Density | 9.85 g/cm³ |
| Melting Point | 1652°C |
| Boiling Point | 3395°C |
| Key Characteristics | Hardest and densest rare earth metal |
| Appearance | Silver-white, available in blocks, ingots, rods, or wires (custom sizes available) |
| Purity/Specification | 99.9% - 99.99% |
| Chemical Properties | Soluble in dilute acids, reacts slowly with water, stable in air |
Purity | 2N | 3N | 4N | 4N |
Lu/TREM(%Min.) | 99 | 99.9 | 99.99 | 99.99 |
TREM(%Min.) | 99 | 99 | 99.5 | 99.9 |
Rare Earth Impurities(in TREM,%Max.) | ||||
Eu | subtotal 1.0 | 0.001 | 0.001 | 0.001 |
Gd | 0.001 | 0.001 | 0.001 | |
Tb | 0.001 | 0.001 | 0.001 | |
Dy | 0.001 | 0.001 | 0.001 | |
Ho | 0.001 | 0.001 | 0.001 | |
Er | 0.001 | 0.005 | 0.005 | |
Tm | 0.01 | 0.005 | 0.005 | |
Yb | 0.01 | 0.005 | 0.005 | |
Y | 0.03 | 0.003 | 0.003 | |
Non-Rare Earth Impurities(%Max.) | ||||
Fe | 0.15 | 0.15 | 0.1 | 0.01 |
Si | 0.01 | 0.01 | 0.01 | 0.005 |
Ca | 0.05 | 0.05 | 0.05 | 0.005 |
Al | 0.01 | 0.01 | 0.01 | 0.005 |
Mg | 0.01 | 0.01 | 0.01 | 0.005 |
W | 0.05 | 0.05 | 0.05 | 0.05 |
Ta | 0.05 | 0.01 | 0.01 | 0.0005 |
0 | 02 | 0.15 | 0.15 | 0.015 |
C | 0.03 | 0.01 | 0.01 | 0.005 |
Cl | 0.02 | 0.01 | 0.01 | 0.005 |
Company Name: Ganzhou Wanfeng Advanced Materials Technology Co., Ltd.
Founded: Established in 2011, specializing in the R&D, production, and sales of rare earth metals and related materials.
Production Capacity: Over 40,000 square meters of production facilities, with a complete system for R&D, production, testing, sales, and service. Products are ISO9001 and ISO14001 certified.
Industry Experience: With over 25 years of technical and market experience, we are a leading supplier of rare earth materials, offering stable, high-quality products and timely services.
Contact Information:
Phone: +86-797-8286977
Mobile: +86-18979723962
Email: info@gzwfen.com
WhatsApp: +8618979723962
Address: 8 Ganjiangyuan Avenue, Zhanggong District, Ganzhou, Jiangxi Province, China
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