STRUCTAL

catalyst supports, namely, ceramics, metals oxides, metal chlorides, mineral-based materials, carbon-based materials, silicon-based materials, metal oxide hydroxides, hydrotalcites, spinels, perovskites, metals, alloys, metal phosphates, naturally occurring and synthetic layer or framework silicates, clay minerals, zeolites, mica, feldspars, steatite, cordierite, porcelain, carbides, Silicon carbide, boron carbide, nitrides, silicon nitride, aluminum nitride, glasses and any mixture of the above; all of the above excluding rubbers