Alumina(Roundish)

About the product

Roundish alumina AS series is a single-grain corundum with less crystal edges. Indicates excellent characteristics for rubber and plastic filler and ceramic base material. Features as rubber and plastic filler are as follows:

• High filling density: With its large particle diameter and broad particle size distribution, realizes high-density filling for rubber and plastic and produces compounds with low viscosity and good fluidity.
• High thermal conductivity: High filling density enables production of compounds with higher thermal conductivity and higher heat dissipation rate compared to crystalline silica.
• Low abrasivity: Due to its roundish shape, less-wearing of kneading machines, forming machines and dies.
• High-purity: Due to extremely minute amount of ionic impurity such as sodium and chlorine, excellent in electrical characteristics and humidity resistance.

Application

• Filler for heat sink sheet, filler for heat dissipation board (MC board), heat dissipating grease, phase change sheet
• Filler for semiconductor sealing resin
• Silicone-based heat dissipating adhesive, filler for compound
• Ceramic filter

Associated Information

Catalogue