waterproof acoustic membrane for hearing-aid application

In a broad sense, hearing-aid can be regarded as variety of devices that can effectively pass the sounds to ear. While in the narrow sense, hearing-aid means an electro-acoustic amplifier, with the sounds enhanced, the deaf could hear what they couldn’t. 

In order to protect the hearing-aid product from impact of water, dust , dirt and contaminants , R&D of Shanghai PUW EPTFE Material CO., Ltd. has developed a product called waterproof acoustic membrane, to achieve the protection from the liquids and dust in combination with superior acoustic performance.

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