| 摘要 |
A method for manufacturing sound absorbing material for a vehicle is provided to make sound absorbing material light and reduce the number of manufacturing processes by removing a film layer. A method for manufacturing sound absorbing material for a vehicle includes the steps of: cutting PET fiber and pelt formed by mixing natural fiber with chemical fiber; mixing PET fiber with pelt; performing needle punching; producing a sheet by passing the pelt and PET fiber; inserting the produced sheet in molds at 180~300°C for thermoforming; and performing cooling and trimming processes.
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