Does spherical alumina powder conduct heat better than other types?

We are all able to know some fundamental uses of alumina powder. Alumina powder is suitable for a variety of high-end products, spherical alumina powder with high purity, а- alumina fine powder with uniform grain size, with a high melting point (2040 ℃), chemically inert. α-type alumina due to the insoluble in water and acid, industry, also known as alumina-oxygen, through the high temperature treatment of its processing, application, can be produced into a heat-conducting alumina filler. Today I share with you the characteristics and applications of spherical alumina powder.

Thermally conductive filler that is added to the base material is used to increase the thermal conductivity of the material filler. Among them, the spherical alumina in the alumina with high thermal conductivity, low filler viscosity and moderate price advantage, the industry is regarded as cost-effective thermal conductivity insulation material is also most of the thermal conductivity of the powder customer priority one. The principle of increasing thermal conductivity seems to be simple, but how to achieve better thermal conductivity through reasonable filler matching is not simple.

The fundamental loess material for the manufacture of metallic aluminum; also used in the manufacture of various refractory bricks, fire-resistant crucibles, fire-resistant tubes, high-temperature experimental instruments; also can be used as abrasive, flame retardant, filler, etc.; high-purity α-type alumina is also a loess material for the consumption of synthetic corundum, synthetic ruby and sapphire; also used to consume the board base of the modern wide-area integrated circuits. Spherical alumina can be used as a high thermal conductivity filler in a variety of silicone, epoxy resin, thermally conductive plastics, thermally conductive potting compound, rubber, ceramic raw materials, fine polishing and other fields.

Spherical alumina products in many fields show excellent performance, and raw material powder particles have a greater relationship between the morphology and size. Regular morphology, small specific surface area, large packing density and better fluidity performance, higher hardness and strength, can greatly improve the application performance of products.

Spherical alumina powder can be used as a support for porous alumina, and it is easy to homogenize the support as a whole due to the regularity of the holes formed. Alumina powder for filling requires good fluidity of the powder and strong ability to combine with organic matter, and a spherical shape is preferred. Alumina is also the main raw material for three-color and long afterglow phosphor. In addition, there are more applications in the field of catalyst and catalyst carrier.

Spherical alumina powder has high value-added products, which can bring large social and economic benefits. In recent years its demand has been maintained a sustained growth, the domestic demand for ultrafine spherical alumina products has been in short supply. Therefore, the sphericalization of ultrafine alumina particles can greatly improve the application performance of its products, with great economic benefits, I believe that the spherical alumina powder market will be further expanded!