20nm Magnetic Powder Fe3O4 – Ultra-Fine Black Iron Oxide for Diverse Applications
High-purity 20nm Fe3O4 powder with superior magnetic properties, ideal for advanced industrial and scientific use. Ultra-fine particle size ensures uniform dispersion and enhanced reactivity, perfect for magnetic fluids, biomedical research, and electronics manufacturing. Premium black iron oxide formulation offers exceptional stability and high saturation magnetization for sensors, data storage, and wastewater treatment. Precision-engineered for coatings, pigments, and EMI shielding with consistent quality and bulk availability at unbeatable wholesale prices. Non-toxic and chemically stable, suitable for biomedical applications like drug delivery and MRI contrast agents. Direct factory sourcing guarantees the lowest global pricing with no minimum order restrictions for bulk buyers.