Car interior sound-absorbing cotton (unsealed)
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The sound absorption principle of sound-absorbing cotton is as follows: when sound wave vibrations pass through the pores between the fibers, the energy of the sound waves is converted into heat energy due to friction loss and other effects, thus achieving the effective shielding and isolation of sound waves of different frequencies.
Sound-absorbing cotton is widely used in automotive interior and exterior trim, reducing noise inside the vehicle, improving sound quality, and facilitating lightweight design. Main application areas include the engine hood, front bulkhead, instrument panel, door panels, pillars, roof lining, luggage compartment, rear shelf, and front and rear wheel splash guards.
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