flam-retadant muffler sponge

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Price: Negotiable
Min.Order:
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Delivery: Shipment within 3 days since the date of payment
Address: China
Valid until: Never Expire
Updated on: 2014-02-12 10:51
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feature Sound-absorbing effect is good
function FR,Rohs,svhc
Uses Noise reduction
Industry Standard GB,BS-5852 or TB117

when the sound waves incident into it, it can cause gaps in the air vibration; the viscous drag due to air friction and pore walls, so that a considerable part of the sound energy into heat energy has been consumed.
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