... . Insulating gasket 2. Electric appliances heat insulation material 3. High-temperature filter materials 4. Automobile muffler, the muffler exhaust pipe insulation material 5 ... Classification temperature: 1000 °C, 1260 °C, 1350 °C B bulk density: 200Kg/m3 C thickness: 0.5, 1, 2, 3, 4, 5,6 mm . High temperature heat ...