What is magnetic powder made of, and what is magnetite powder used for?

Magnetic particle, a hard-magnetic single-domain particle. It is made into magnetic paste with adhesives, solvents, etc., and applied on the surface of plastic or metal sheet base (support), which can be made into magnetic recording materials such as magnetic tapes, disks, and magnetic cards. Magnetic powder is the core component of magnetic coatings, and is the main factor that determines the magnetic properties of magnetic recording media.

Magnetic particles have a great influence on the properties of magnetic recording materials. Therefore, there are certain requirements for magnetic particles:

The specific saturation magnetization S and coercivity HC are larger;

The particles are micro-needle-like and uniform;

It has high dispersion and filling properties in the magnetic paste;

Magnetically stable. It is difficult for magnetic particles to meet all of the above requirements at the same time. There are two types of commonly used magnetic powders: oxide magnetic particles and metal magnetic powders.

Magnetic powder is the powder of magnetic materials, including soft magnetic powder, hard magnetic powder and moment magnetic powder, and magnet generally refers to hard magnetic materials (also known as permanent magnetic materials), so magnet powder should refer to hard magnetic powder.

Magnet powder is a type of magnetic powder. Magnet powder can be used to make magnets.

The role of magnet powder:

1.Rheumatism, pain in the limbs, inability to hold objects, washing and sourness, except for heat and deafness.

2.Nourish the kidneys, strengthen the backbone, nourish the essence and remove annoyance, clear the joints, eliminate carbuncles, swelling and fistula, neck sore throat, and epilepsy in children.

3.Supplement men's kidney deficiency and wind deficiency, physical strength, waist is unfavorable, and it is used in addition.

4.Treat dizziness, weak muscles and bones, make up for five labors and seven injuries, remove irritability, reduce swelling and poison.

5.It is used by people with kidney deficiency, deafness and dizziness.

6.Bright eyes and ears, stop gold sores and blood.

7.: Treatment of impotence, prolapse, gold sores, swelling and poison, sweating and stopping bleeding.

8.Fear and cowardice.

9.Treatment of dilated pupils and internal cataracts.

10.Breathe and breathe.

Magnetite (also known as Cishi) is an ore of the oxide mineral magnetite. Morphology: Equiaxed crystal system.

The crystals are octahedral and dodecahedral. The crystal plane has streaks. Most of them are aggregates of granular blocks.

Iron-black, or dark blue-indigo. Streaks black, semi-metallic luster. Opaque.

No cleavage. The fracture is uneven. Hardness.

Density. It has strong magnetic properties. Brittle. Odorless, tasteless. It is often found in magmatic rocks and metamorphic rocks. It is also often found in the sands of the seashore. It is distributed in Shandong, Hebei, Henan, Liaoning, Heilongjiang, Inner Mongolia, Hubei, Yunnan, Guangdong, Sichuan, Shanxi, Jiangsu, and Anhui.

The magnet mainly contains ferric tetroxide (Fe3O4), which contains FeO31%, Fe2O369%, and contains silicon, lead, titanium, phosphorus, manganese, calcium, chromium, barium, saw, magnesium and other impurities; A few varieties contain 10% magnesium oxide (MGO) and 15% alumina (Al2O3). In addition, magnets often contain a certain amount of arsenic, so you need to pay attention to it when using it.

Magnetic particle, a hard-magnetic single-domain particle. It is the core component of magnetic coatings and the main factor that determines the magnetic properties of magnetic recording media. There should be enough coercivity to effectively increase the demagnetization, but not so high that it is difficult to demagnetize, and the magnetization should be of the same order of magnitude as that of a ferromagnetic metal to provide sufficient magnetic flux to the head.

The particles should be uniform, no sintered lumps, complete crystallization, good dispersion, and high filling density. <

Magnetic particle, a hard-magnetic single-domain particle. It is the core component of magnetic coatings and the main factor that determines the magnetic properties of magnetic recording media. There should be enough coercivity to effectively improve the demagnetization effect, but not so high that it is difficult to demagnetize, and the magnetization should be of the same order of magnitude as that of ferromagnetic metals in order to provide sufficient magnetic flux to the head.

The particles should be uniform, no sintered lumps, complete crystallization, good dispersion, and high filling density. The magnetic properties should be stable and unaffected by time, temperature, humidity and pressure.

By adding recyclable magnetic powder to the sewage, and under the joint action of rock coagulant and flocculant, the tiny suspended solids or insoluble pollutants in the coarse sewage are effectively combined with the magnetic particle magnetic particles with small particle size, so as to increase the volume and density of the floc and form a high-density magnetic floc.

Magnetic powder is a chemical raw material, which is usually used in the manufacture of magnets, electronic components, magnetic cards, anti-counterfeiting signs and other products. If you have a magnetic powder to sell, there are a few ways you can do it:

1.Registered in the chemical industry B2B**, and publish the supply and demand information of magnetic powder to attract potential buyers to negotiate with or blind beams. For example, Alibaba, HC, China Chemical Instrument Network, etc.

2.Find a secondary processing company for magnetic powder, sell the magnetic powder to them for processing, and then they sell the final product. This approach requires finding a reputable business to work with to avoid payment or credit problems.

3.Auction or list the magnetic particles**. You can publish the auction information of magnetic powder in the auction house or related ** to attract potential bidders. However, it is necessary to pay attention to the storage and transportation problems to avoid the quality of the magnetic powder being affected by the shadow god's ring.

Regardless of which method is adopted, it is recommended to negotiate relevant qualification certification, source investigation, delivery method, ** and other details before the transaction, and keep relevant evidence such as product information and sales records to avoid disputes.