Seal Faces (Silicon Carbide Seal Faces (Reaction Bonded Silicon Carbide, Sintered Silicon Carbide, Sintered Silicon Carbide with Graphite, Reaction Bonded Silicon Carbide with Graphite, and Sintered Silicon Carbide with Pore), Tungsten Carbide Seal Faces (6% Ni Tungsten Carbide, 8% Ni Tungsten Carbide, 6% Co Tungsten Carbide, 8% Co Tungsten Carbide, and Light Tungsten Carbide), Alumina Seal Faces (99% Alumina and 99.5% Alumina), and Carbon Seal Faces (Hot molded Carbon, Resin Carbon, Antimony Carbon, and Sintered Carbon)).