Soundproof Polyester Fiber Acoustic Panels are synthesized by high temperature and high pressure by needle punching processing, and the porosity is above 90%. Soundproof Polyester Fiber Acoustic Panel is Sound absorption: polyester fiber board irregular mesh dense fine pores, has a very good porous sound absorption function, sound absorption spectrum is wide, in the 125-4000HZ noise range absorption coefficient peak reached 0.94.
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