... temperature 1260 4.sound absorber Cera TecTM BulkDescriptionCommon Fibre: With hard clay clinker as raw material, made from melting,blowing,spun ... by the resistance furnace.High purity Fibre: With high purity ... melting,blowing,spun by the resistance furnace.Cerachrome Fibre: With alumina,silica and chromia as raw material, made from ...