What is equal and different?

Answer
The difference between them lies in the different process of “magnetic powder” and “magnetization”
Isotropy

  • a. The raw material is granular, about 3 ~ 4 μ m in size.
  • b. When forming, the raw materials are not magnetized.
  • c. It can be magnetized in any direction.
  • d. Magnetizing according to the thickness direction, the magnetic force is about 500 ~ 800 Gauss.
  • e. The surface is not processed and ground.

Heterogeneity

  • a. The size of the raw material is about 0.85 ± 0.1 μ M.
  • b. When forming, the powder is magnetized and arranged.
  • c. When magnetizing, it needs a certain direction, such as axial or radial, etc.
  • d. Magnetize according to the thickness direction, the magnetic force is about 800 ~ 1400 Gauss.
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