1. Product Overview
Praseodymium-Neodymium Fluoride is a high-performance mixed rare earth fluoride compound composed of praseodymium fluoride and neodymium fluoride. It is also known as Pr-Nd fluoride mixed salt, with stable composite crystal structure and industrial customizable Pr/Nd ratio. The product appears as light purple fine crystalline powder with high purity, uniform particle size and low impurity content. As a core raw material for rare earth electrolysis and high-end magnet manufacturing, it is available in 99.9% (3N), 99.99% (4N) and 99.999% (5N) grades, perfectly matching industrial mass production and advanced material research standards.
2. Physical and Chemical Properties
Praseodymium-Neodymium Fluoride possesses excellent comprehensive physical and chemical properties. It features a high melting point, low volatility and outstanding high-temperature thermal stability, without decomposition or structural damage under molten salt electrolysis conditions. The product is practically insoluble in water and conventional organic solvents, and chemically inert under normal atmospheric environment.
Different from single rare earth fluoride, the composite Pr-Nd fluoride achieves optimized synergistic performance. The coexisting praseodymium and neodymium elements effectively improve the grain boundary structure and magnetic stability of downstream magnet products. The material is non-hygroscopic, not easy to agglomerate, and maintains stable batch consistency during long-term storage and industrial processing.
3. Production Process
Industrial Praseodymium-Neodymium Fluoride is produced through mature mixed rare earth purification and fluorination synthesis technology. Qualified praseodymium and neodymium mixed rare earth raw materials are processed via precise proportioning, impurity removal, liquid phase fluorination, precipitation, high-temperature dehydration and calcination. Strict temperature control and impurity screening procedures ensure ultra-low non-rare earth impurities, uniform crystal morphology and stable Pr/Nd component ratio. The whole process complies with international rare earth industry production standards, guaranteeing excellent repeatability for large-scale industrial applications.
4. Core Industrial Applications
High-Performance NdFeB Magnet Precursor Praseodymium-Neodymium Fluoride is the primary raw material for molten salt electrolysis to produce Pr-Nd alloy. Adding praseodymium element can significantly improve the coercivity, high-temperature resistance and magnetic stability of NdFeB permanent magnets. It is widely used for manufacturing high-performance magnets for new energy vehicles, wind power generators, precision servo motors and intelligent electronic equipment.
Rare Earth Metallurgy Raw Material It serves as a key fluoride feedstock for mixed rare earth metal electrolysis. With stable fluorination activity and low volatile impurity, it effectively improves electrolysis efficiency and metal yield, and reduces production costs in rare earth hydrometallurgy and pyrometallurgy processes.
Special Functional Material Additive The product can be used as a high-temperature resistant additive and optical modifier for special ceramics and optical materials. It optimizes the high-temperature mechanical properties and optical stability of composite materials, suitable for high-end ceramic and optical component manufacturing.
Advanced Industrial Catalyst Auxiliary Applied in the preparation of rare earth composite catalytic materials, improving thermal stability and catalytic activity of catalysts in high-temperature reaction environments such as petrochemical cracking and industrial waste gas treatment.
5. Storage and Handling
Store Praseodymium-Neodymium Fluoride in tightly sealed containers in a cool, dry and well-ventilated warehouse. Avoid long-term exposure to humid air, high temperature and dust pollution to prevent powder agglomeration and performance attenuation. The product has good atmospheric stability and long storage life under standard moisture-proof conditions.
During operation, wear standard protective equipment including dust masks, safety goggles and chemical-resistant gloves. Avoid dust inhalation and direct skin and eye contact. Equip local ventilation devices in dust-generating working areas. Dispose of waste materials in accordance with local environmental protection regulations.
6. Grades and Packaging
Purity Grades: 99.9%, 99.99%, 99.999% (3N/4N/5N based on REO)
Packaging: Inner PE liner moisture-proof bag + outer PP woven bag or iron drum; 25kg standard packaging, customized packaging and special moisture-proof packaging are available on request.
Note: All listed data are typical values. Exact batch specifications are subject to the official Certificate of Analysis (COA).