... by the resistance furnace.High purity Fibre: With high purity alumina and silica as raw material, made from melting,blowing, ... spun by the resistance furnace.Cerachem Fibre: With alumina,silica and zirconia as raw material, made from melting, ... blowing,spun by the resistance furnace.Cerachrome Fibre: With alumina,silica and chromia as raw material, made from melting,blowing ...