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Different applications of nano-magnesium oxide in different fields

March 17,2021.
1. The field of nano-ceramics
Nano-ceramics refer to ceramics whose crystal grain size, defect size, second phase distribution and other microstructures are all at the nanometer level. It is usually made of nano-titania, nano-zirconia, nano-magnesia, nano-alumina and other particles through high-temperature sintering or hot pressing. Its advantages are good superplasticity, greater strength and hardness, and lower sintering temperature.

2. Catalyst field
Nano particles have a large specific surface area, so the surface effect is very significant, and nano-magnesium oxide is particularly prominent in this aspect. The specific surface area value of the magnesium oxide nanoparticles increases significantly with the refinement of the nanoparticles, and the surface energy also increases rapidly. Therefore, it has strong adsorptivity, high surface activity, and high surface atom utilization rate, which can provide adsorption base points for the catalyst.
In addition, nano magnesium oxide as a catalyst can also increase the yield of acetylacetone products prepared by catalytic synthesis from 80% to 95%.

3. National Defense
In national defense applications, radar waves have important application value, so the research on absorbing materials is of great significance to national defense.
Nano magnesium oxide has the advantages of light color, light weight, strong wave absorption ability, thin thickness, etc. It can flexibly and effectively attenuate and absorb the incident radar wave, so it is widely used as a stealth material that absorbs radar waves.
As a new material for radar wave absorption for national defense, nano-magnesium oxide has an attractive application prospect, and the research in radar wave absorbing materials has become one of the research hotspots.

4. Coating field
Rayleigh light scattering theory shows that nanoparticles with a particle size of less than 100nm do not emit colored light under the irradiation of visible light, but are transparent.

The flash aluminum powder is mixed into the nano-magnesium oxide powder, a part of the incident light is reflected on the surface of the aluminum powder, and the other part of the incident light is dispersed through the magnesium oxide nano-particles, and the formed astigmatism coating has a unique angular scattering performance . Incorporating the nano-magnesium oxide powder with this characteristic into the car top paint can greatly enhance its brilliance.


5. Additive field
Nano-magnesium oxide can be used with wood chips and shavings to produce refractory fiberboard and other refractory materials. Its advantages are small addition amount, non-toxic, odorless, thermal insulation, light weight, sound insulation and so on.

Compared with traditional organic flame retardants containing halogen or phosphorus, it is an ideal additive in flame retardant fibers. The densely compacted MgO powder can also be added as an insulating layer between the metal core and the metal sheath, so it is widely used as a fire-fighting power distribution line.

In addition, nano-magnesium oxide can be used as an additive in multilayer ceramic capacitors, which can control the dielectric constant of the capacitor in the range of 2000 to 3500, reduce the capacitance change rate, reduce the dielectric loss, and stabilize the performance of the capacitor.

SAT NANO is one of the best supplier of MgO magnesium oxide nanopowder in China, we can supply 30-50nm, 100nm, 1-3um particle, if you have any enquiry, please feel free to contact us at admin@satnano.com

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