Earplugs
Earplugs are soft, slightly flexible plugs inserted into the ear canal to block out noise, water, wind and dust.
Fast Facts
- Common uses: blocking out noise, water and dust
- Made from: Silicone, polyurethane foam and PVC foam
- Price range: $0.40-$125
- Caution: May prevent hearing smoke alarms
History
Earplugs have been used for centuries. Older earplugs were made from clay or combinations of cotton and wax.
In 1962, Ray and Cecilia Benner developed a pliable silicone earplug. Foam plugs soon followed in 1972, invented by Ross Gardner.
Buying Guide
Earplugs are made of a variety of materials and styles.
Silicone is a common earplug material. They cost from three dollars to over a hundred and vary in consistency from soft, pliable masses to solid pieces contoured to the shape of the ear. Silicone blocks out sound and water.
Another common material is polyurethane and pvc foam. These are very effective at blocking out sound and are relative comfortable to wear. They must be squeezed tightly before inserting into the ear canal. They are also very inexpensive costing about a dollar or less for a pair.
Some cotton and wax earplugs are still sold today. They are comfortable but hard to keep clean.
There are even white noise earplugs available. These produce white noise inside the ear to cover up other sounds. These can be quite expensive at over one hundred dollars a pair. Available in cordless and earphone styles.
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