... 2.Low heat strong capacity 3.Low thermal conductivity 4.classification temperature 1300 DescriptionCommon Fibre: With hard clay clinker ... 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,spun by the resistance furnace.Spun Fibre: Contain lubricant ,low residue ball content,high ...