Domestic magnetic powder prices

magnetic powderIt is made into magnetic paste with adhesives, solvents, etc., and coated on the surface of plastic or metal substrates (supports) to produce magnetic recording materials such as magnetic tapes, disks, magnetic cards, etc. It is the core component of magnetic coatings and the main factor determining the magnetic properties of magnetic recording media. It has a significant impact on the properties of magnetic recording materials. Therefore, there are certain requirements for ci powder: ① It should be larger than the saturation magnetization σ s and coercivity Hc; ② The particles are fine needle shaped and uniform; ③ Has high dispersibility and filling properties in magnetic slurry; ④ Magnetic stability. It is difficult for it to meet all the above requirements simultaneously.

magnetic powderIt is the core component of magnetic coatings and the main factor determining the magnetic properties of magnetic recording media. It should have sufficient coercivity to effectively enhance demagnetization, but not to a level that is difficult to demagnetize. Its magnetization should be of the same magnitude as ferromagnetic metals to provide sufficient magnetic flux to the magnetic head; The particles should be uniform, without sintered blocks, with complete crystallization, and the particle size is generally less than 1? m. Should have good dispersibility and high filling density; Its magnetic properties should be stable and not affected by time, temperature, humidity, and pressure.

The magnetic coagulation wastewater treatment equipment adds system matched CI powder in the traditional coagulation process. The powdered CI powder combines with the flocs in the coagulation process to form a stable floc with CI powder as the coagulation nucleus. Due to the fact that the specific gravity of magnetic powder is 5 times that of water, the specific gravity of the bound CI powder flocs rapidly increases. According to the coagulation mechanism, the addition of coagulants mainly promotes coagulation by changing the surface properties of colloids or suspended particles, so that the attractive energy of colloids or flocs is greater than the repulsive energy, and the effect of adding coagulants is mainly to increase particle aggregation through bridging. By adding CI powder to enhance the flocculation effect and improve the sedimentation efficiency, it is undoubtedly an effective means to strengthen the separation process. At the same time, CI powder can be recycled and reused through magnetic drums.