deep red pyramid foam/isolation Noise Reduction foam sponge/noise insulation sponge

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price: Negotiable
minimum:
Total supply:
Delivery term: The date of payment from buyers deliver within days
seat: Beijing
Validity to: Long-term effective
Last update: 2017-12-28 06:53
Browse the number: 149
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feature Sound-absorbing effect is good,
function FR,Rohs,svhc
Uses Noise reduction
Industry Standard GB,BS-5852 or TB117


 


   absorb a large number of incoming acoustic energy of the acoustic attenuation, reducing the interference and echo sound reflections ,improve the purity of the sound

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