Jiupeng magnetic material iron black 20-30 nanometer magnetic Fe3O4 cy-ef04

  Technical indicators:

model	CY-EF01
appearance	Brown powder
PH value	6-8
Particle size NM	20-30
Specific surface area m2 / g	30-60
purity	ninety-nine point nine

product performance and applications: (1) magnetic sealing: magnetic fluid, also known as magnetic fluid or ferromagnetic fluid, has the characteristics of controlling its physical properties through magnetic field, and has the fluidity, lubricity and sealing of liquid carrier
It is composed of nano scale (below 10nm) A stable colloidal system formed by highly dispersed ferromagnetic particles in a liquid
The rotating shaft seal (dynamic seal) which can be used as mechanical seal can be adsorbed in the gap of permanent magnet or electromagnet to seal two relatively moving objects by using the characteristics that magnetic fluid is both fluid and magnetic material
(2) Biomedicine: magnetic nano materials are widely used as carriers of various pharmaceutical components to form a magnetic targeted drug delivery system; magnetic microspheres made of magnetic nano materials can also be widely used in the separation of magnetic immune cells, nuclear magnetic resonance imaging, etc
by using the characteristics that magnetic nano materials can generate heat under the action of external alternating electromagnetic field, the therapeutic effect can be achieved The purpose of treatment
(3) Magnetic recording materials, high gradient magnetic separators, microwave absorbing materials, special coatings and electrostatic copying developers can be made by using the magnetism and dark black color of nano Fe3O4 powder