... temperature 1260 4.sound absorber Cera TecTM BulkDescriptionCommon Fibre: With hard clay clinker as raw material, made from melting,blowing, ... 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 ...