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nature : in the water right Sonic the spread of an important influence in the special rubber. Being able to detect underwater weapons and concealed play a unique role in its development rapidly. According to different functions can be broadly divided into acoustic, acoustic and transaudient three categories. Rubber acoustic absorption in underwater acoustic absorption, the main material used to prevent detection to protect and hidden underwater targets, and more joined by sponge rubber wood, soft wood, metal powder filler made of all. Acoustic noise rubber is used with the air obturator sponge rubber for avoiding all kinds of underwater noise interference. Acoustic transaudient rubber butyl rubber available for the water system of acoustic equipment coating and sonar, torpedoes, navigation window shield of sound materials.
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