... .HIgh purity of alumina 4.Manufacturer 1. Company DescriptionHonest Horse BFA is under the standard of FEPA,GB,JISR,ANSI.Generally ... steel, malleable cast iron and hard bronze. It used for refractory aluminum oxide lining mixture, pouring materials castable, etc.Chemical & Physical ... , 1-3, 3-5,5-8 Brown Aluminum Oxide for Refractory Materials