Aremcolox 502-1400-BF is a bisque-fired, machinable, low-density, 96% pure alumina ceramic manufactured by Aremco Products Inc. for use in industrial applications to 1430 °C. Specifications include compressive and flexural strengths of 9000 and 4000 psi, respectively, and dielectric strength of 80 V/mil. It is inert to chemical corrosion and oxidation, and is suitable for thermal shock applications. Rod sizes from 1/4 to 3/4 in. in diameter by 12 in. long, and plate sizes from 1/4 to 3/4 in. thick by 6 in. sq are available.