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Anti-noise earplugs useful soundproofing earplugs harm

Soundproof earplugs (also known as anti-noise earplugs, earplugs, anti-noise earplugs, sleep earplugs) are generally made of silicone or low pressure foam molding material, high elasticity polyester material. After being inserted into the ear canal, it is in close contact with the external auditory canal to isolate the sound from the middle ear and the inner ear (ear drum) to achieve the purpose of sound insulation, thus enabling people to get a restful sleep or work environment.

A, earplugs classified

1, according to the material classification

Silicone earplugs: The price is more than 500 times the gap between the cost and the cost of the homemade earplugs. The silicone earplugs are softened with warm water before putting them into the ear canal. Using the characteristics of using 5 times repeatedly with high hardness, can cause the ear canal pain can not be continuous and effectively muted and low cost The use of silica gel construction earplugs, though not airtight and non-porous, but due to its rubber hardness rebound and adult different types of ear canal completely coincide with a small beats by dre sale chance, it will cause pinhole leaks or small holes leak, a leak Gas soundproofing reduces the noise to about 20 to 30 decibels. The inner wall of the ear canal is soft and flexible. The obstruction of the ear can lead to redness of the ear canal, leakage of the ear plugs, and pain in the sleeping side. This can not effectively achieve long-term comfort and quietness. Inconsistent with the wall of the ear curve, which can lead to red and swollen earaches, it is impossible to insert it into long-term use, beats earbuds and the quality of noise and sleep decreases. The characteristics of this product are now used to use the hardness with the use of the finished material is airtight after the finished rubber-like, so that the ear canal comfort and sound insulation is good, to ensure a pair of silicone earplugs cost to do this earplug more than 500 pairs can be continuously placed in the ear canal Use N years without any discomfort.

Sponge-type earplugs: The low-pressure foam molding material, anti-noise earplugs made of high-resilience polyester materials have a smooth surface, slow rebound, no pain when the ear is used, and the sound insulation effect is between 25dB-40dB. This kind of earplug is very suitable for sleep use every night, but because of the slow rebound effect after washing, it cannot be used repeatedly. In general, the sponge earplugs are disposable. However, with the development of science, there are also some sponge ear plugs on the market that can be used repeatedly for more than six months and can be scrubbed.

Wax earplugs: Wax earplugs are the earliest ancestors of anti-noise earplugs, which can be softened by hand and shaped to fit the ear canal. However, the disadvantage is that it is not hygienic. The wax may remain in the ear canal and it is difficult to clean. And wearing a long ear will feel pain.

2, according to shape classification

The most common form of anti-noise earplugs is the bullet head type. There are also Bacou's patented rocket (T-shaped), horn, cylindrical and tripod.

Bullet shaped

The more commonly used type, the well-known sponge earplugs that are comfortable and soundproof.

Rocket type

Easy to pull out, but it can easily cause gaps in the ear canal, resulting in poor sound insulation.

Trumpet

The center is hard and easy to insert earplugs for silicone material.

Christmas tree shape

Silicone material is generally used to bring a slight feeling of pain, for labor protection earplugs and swimming earplugs.

Pagoda

The derivation of the bullet head shape is an earplug shape independently developed by 3M.

Cylindrical

The softness of the earplug is very high and it can be easily shaped into a shape suitable for the ear canal. However, compared with the bullet head and the rocket type, since the two heads are the same width, the end that enters the ear canal does not easily fit into the size of the ear canal.

3, classified by function

Labor insurance earplugs

The same use of silica gel, can prevent the sound of the eardrum caused by the machine discomfort, anti-noise performance is good, but relatively hard, wearing a significant sense of pain, not suitable for sleep use. General labor-friendly earplugs are equipped with a rope for easy removal at any time.

Sleep earplugs

It is generally made of soft, slow-rebound materials. Until now, the noise resistance of sleep earplugs on the market has basically reached the level of silicone. However, because the material is not as waterproof as silicone, it is inconvenient to clean and is not used in the production workshop. It is generally used for daily sleep. There are also lines, but often feel uncomfortable on the neck when sleeping.

Swimming earplugs (waterproof earplugs)

To prevent water from entering the ear canals, materials with good waterproof properties, such as silica gel, are generally used. But there is a feeling of pain in the ears. Not suitable for sleep and daily use.

Second, the use of earplugs

The earplugs grow into strips, and the finer they are, the easier it is to wear.

Plug in: Pull up the upper ear and insert two-thirds of the earplug into the ear canal.

Hold: Hold the earbuds for about 20 seconds until cheap beats by dre the earbuds swell and block the ear canal.

Pull out: When you remove the earbuds after use, gently rotate the earbuds and pull them out.

Third, the soundproof earplugs to identify good and bad

1, slow rebound effect

The elasticity is too large. When the earplugs are inflated, they can compress the skin of the external auditory canal and can cause discomforts such as ear swelling and earache. When the elasticity is too small, they cannot be in close contact with the external auditory canal and the sound insulation effect is reduced. Therefore, the earplug's rebound speed must be observed. The longer the rebound time, the better the quality.

2, softness

Softness directly affects how comfortable earplugs are worn.

3, surface texture

Some earplugs feel sticky and stick in the ear and stick to the skin of the ear canal. Avoid buying.

The best way to discriminate is to stick the two earplugs tightly together and separate them to see if they are separated as quickly as possible.

Four, earplugs use precautions

Wash hands before use.

Clean the ear canal before wearing to reduce secretions.

Tap the earbuds for 30 seconds until the earbuds are fully inflated and set.

Replace or clean earplugs in time.

Five, sleep earplugs useful?

Our common earplugs are usually made of silicone or highly elastic polyester material. After inserting into the ear canal, they are in close contact with the external ear canal to achieve sound insulation. So that people can get a quiet rest or work environment, no noise interference, people can rest well.

However, because each person's outer ear contour is different, the soundproof earplugs using general materials can not play the role of sound insulation, and it is best to use elastic materials. Otherwise, the soundproof earplugs will press the skin of the external auditory canal due to excessive expansion, resulting in uncomfortable symptoms such as ear swelling and pain.

There is also the use of soundproof earplugs that may cause cerumen to be pushed into the middle ear, which may cause tinnitus and diminish hearing. In addition, anti-noise earplugs may also cause otitis, because in a warm, humid environment, bacteria will multiply more vigorously, and inflammation will appear one after another.

Sixth, the noise of earplugs

The use of earplugs may cause cerumen to be pushed into the middle ear while the earplug is inserted into the ear canal, which can cause tinnitus, diminish hearing, pain or bacterial infection. Users with excessive cerumen should use earplugs more carefully, and earplugs should often be washed with water and mild soap. However, foam-type earbuds are usually disposable and disposable, and they can lose their slow-rebound properties after soaked in water.

In addition, anti-noise earplugs may also be a trigger for otitis, because in warm, humid environments, many bacteria multiply more vigorously.

However, the use of noise-proof earplugs is generally safe, but some potential hazards that may arise from long-term use beats by dr dre must be prevented: Insertion of the earbuds can cause air pressure in the middle ear to rise and push the eardrum to cause pain because the earplugs are inserted too deeply. To avoid this danger, first squeeze the earplug into the ideal position, and when the earplug is fully inflated, it is better not to push in. And vice versa, in order to prevent the ear drum from being squeezed when pulling out the earplug, the earplug should be slowly unscrewed and not pulled out.