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You should use foam because foam molds itself to the contours of your ears and or the inside of the defender therefore stops sound waves from entering. It also absorbs sound. If you increased the sound you would have to increase the thickness or density of the foam. Foam is used on car insulation as well for the same reason. It deadens vibrations.
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∙ 11y ago
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∙ 15y agoEar plugs are often made of a type of foam rubber, which, when rolled between the thumb and forefinger, compress in size, then when placed in the ears, expand to fit the ear, giving better protection against noise/sound. They are also sometimes made from silicone rubber. These are used to protect the ears from dust, water and wind.
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∙ 13y agoThe shell material should be hard and impermeable. To limit ingress of sound.
The seals should be soft and conforming. to limit ingress of sound.
The sound absorbent material in the shells may be any hygenic soft foam.
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∙ 14y agorubber, polestyrne, and thermoplastic all make good insulatiors to bloack out loud sounds and to bring safety to your ears.
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∙ 14y agofoam
hard plastic
rubber
sponge
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∙ 11y agothe best materisl is rubber for the outside and foam for the inside.
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∙ 11y agoMost comfortable earplugs, the good ones, are made of out memory foam. It is for the comfort and sound quality. Some companies like to use silicone or viscous wax also.
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∙ 11y agoear, science good
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Where can one purchase ear plugs for sleeping in?
One can purchase good ear plugs specifically made for sleeping in your local drugstore. They are also usually available in bigger department stores, for example Wal-Mart.
What are most earplugs made of?
Ear plugs are made from various materials including foam and silicone. For occasional use, you'll probably be fine with ready-made ear plugs.
Is it better to use ear wax or ear plugs for swimming?
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Ear plugs for snoring in India?
India is not the problem, it is ear plugs
How much is iPod ear plugs?
as much as other ear plugs
How ear plugs reduce the noise you hear?
they are made of egg foam which muffles noise
Can you swim with swimmers ear with ear plugs?
You could try to keep your head up and then the answer is definitely yes. Swimmers ear will not stop you from swimming ear plugs or not,
What type of ear plugs does a child need for swimming?
Children have such different sized ear canals that its a good idea to start with wax plugs. This way the ear plugs can be molded to the exact size and shape of your child's ear.
How can noise be reduced inside your ear?
ear plugs
What makes ear plugs work?
ear plugs for hearing loss get put into the ear and helps you to hear better than before after a while.
Witch is a better conductor a earing or a magnet?
ear rings a sit is made of material but in case of magnet it is a stone so ear ring is a good conductor.So be ware of wearing a ear ring ear rings a sit is made of material but in case of magnet it is a stone so ear ring is a good conductor.So be ware of wearing a ear ring
Does Walmart sell ear plugs at a reasonable price?
Yes walmart does sell ear plugs at a cheap price.
