The role of the waterproof and sound-permeable membrane of the earpiece!

The waterproof and breathable membrane is made of TPFE expanded and stretched. After being stretched, the TPFE membrane forms a network structure in three dimensions, with more than 9 billion micropores per square inch on the membrane surface.
Excellent stretching technology can keep the micropore diameter between 0.1-3.0 microns (0.1~3.0×10-6m).
Far more than 10,000 times smaller than water droplets, the E-PTFE membrane has excellent water-blocking properties (exceeding the waterproof requirements of the IP67 standard), and even small water droplets (light mist) cannot pass through the membrane.
At the same time, the diameter of the micropores is more than 700 times larger than water vapor molecules.
Therefore, while having good waterproofing (and preventing oil, dust, bacteria, etc.) performance, it can also allow gas molecules to easily pass through the micropores on the membrane, thereby achieving the function of breathability and air pressure balance.

Therefore, the negative pressure water absorption caused by the influence of inflation and contraction stress can be eliminated, and the fog problem can be solved.

Processing, production, shaping, slitting, slicing, punching, lamination, gluing, etc. can be carried out according to customer samples and drawings.

The waterproof membrane of the earpiece has several characteristics: 1. It uses sound-transparent materials to minimize the sound loss during sound transmission. 2. Provide a strong waterproof and dustproof barrier for indoor and outdoor sound-producing equipment. 3. The extremely sticky adhesive can be used in harsh environments and can adhere firmly to the surface of various products. 4. There are both standard sizes and customized products. 5. Thin and lightweight, it is an ideal solution for equipment placed in limited space. 6. Easy to install and can be installed manually or automatically. 7. When the equipment comes into contact with dust, is splashed with liquid, or is immersed in liquid, it can provide effective protection for the equipment, and the protection level can reach IP67. With these benefits, I think this is one of the best accessories for mobile phone handsets and walkie-talkie handsets!
The earpiece is an accessory used by communication tools such as telephones, walkie-talkies, and mobile phones to transmit sound. It is a type of speaker, but it is generally not called a speaker. This term is generally used to describe the parts of electronic products that transmit sound. Such as: mobile phones, walkie-talkies, etc.