metal, *9.9%, black,
sherical, 1nm to **0nm
Particle size distribution range is narrow, controllable, soluble in acid, magnetic, oxidation easily in the humid air, easy to disperse.
Applications
1. High density magnetic recording materials 2. Magneto fluid 3. Absorbing material 4. Heat-resistant parts of gas turbine blade, impeller, catheters, jet engines, rocket, missile components 5. Metallurgy binder 6. Electronic and electro-mechanical 7. High alloy and anti-corrosion alloy, colored glass, paint, enamel, and catalyst, desiccant
