What are the disadvantages of foam earplugs?
What are the disadvantages of foam earplugs? Foam earplugs are designed to expand in the ear for a custom fit. However, if they're inserted improperly they can be uncomfortable and have reduced ear protection benefits. It's important to roll the foam earplugs between your fingers and compress them well before inserting into the ear canal.
How much noise do foam earplugs cancel?
The earplugs are those few grams which can ensure that your hearing ability remains intact - also in ten years. Most earplugs reduce noise by 20 to 30 dB. Many people know the type of earplugs that is made from soft foam.