Spherical alumina has high sphericity and high alpha-phase alumina content and shows superior performance as a filler for rubber, plastic,...
What is spherical alumina powder?
The spherical alumina produced by high-temperature melting injection has the characteristics of high sphericity and high content of α-phase alumina. It shows the superior performance when used as a filler of rubber and plastic and as the raw material of ceramic.
Characteristics of spherical alumina powder
1. High filling
The particle sphericity is high, the particle size distribution is wide, the rubber and plastic can be filled with high density, and a mixture with low viscosity and good fluidity can be obtained.
2. High heat conductivity
Because it can be filled with high density, compared with crystalline silicon powder, it can get a mixture of high heat conductivity and good heat dissipation.
3, low wear
Because of its spherical appearance, the wear of the mixing machines, molding machines and mold equipment is greatly reduced, and the service life of the equipment can be extended.
Application of spherical alumina powder
1. Heat sink, heat sink substrate filler (MC substrate), heat sink grease, phase change sheet
2. Filler for semiconductor packaging resin
3. Fillers for silicone cooling binder and mixture
4. Ceramic filter
Spherical alumina powder supplier
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1) Store in a dry environment at room temperature.
2) Avoid damp and high temperatures.
3) Use immediately after opening the inner packing bag.