Centrifugal glass wool tubes is especially used in every kind of pipes or tubes for thermal insurance(including refrigerating, hot water and steam pipes). As this material gas the characters of water-proof, anti-corrosion and mildewing-proof etc, which is good in stopping condensation and freezing of the pipes. It is widely used in building, heating power pipes: Heating power pipes, air condition and refrigerators for thermal insurance, increasing15-30% of energy conservation effect