... construction operations. Applicable to high temperature insulation, thermal insulation, sealing, electrical insulation, sound-absorbing, filtering and so on ... materials 4. Automobile muffler, the muffler exhaust pipe insulation material 5. High-temperature furnace, heating device ... material; 3. Automobile muffler, the muffler exhaust pipe insulation material; 4. High-temperature filter material; 5. ...