AmAlOx 68 alumina (Astro Met Aluminum Oxide) is a high purity 99.8% aluminum oxide (alumina) ceramic which has been developed and optimized for maximum wear resistance and corrosion resistance. A high density, diamond like hardness, fine grain structure and superior mechanical strength are the unique properties that make AmAlOx 68 alumina the material of choice for a wide range of demanding applications. AmAlOx 68 alumina provides a cost-effective, engineered material solution in applications that require the optimum in wear resistance, corrosion resistance, high temperature stability, low thermal expansion, high stiffness to weight ratio, high dielectric strength and biocompatibility.