Soundproof Earplugs Anti-Noise Sleep Work Use Student Sleep Anti-Noise Artifact Snoring Super Strong Thermal Shaping Earplugs

The earliest earplug products were invented in Europe. According to legend, Scottish fishermen used a wax-like earplug to resist the seductive sounds of sea witches.The earliest earplug products also originated from Europe, with wax earplugs being the most traditional material.You can soften it by hand and shape it to fit your ear canal.But the downside is that it's not very hygienic; wax may also remain in the ear canal, making it difficult to clean.And wearing them for a long time can cause ear swelling and pain.Later, due to the continuous development and update of new materials, an elastic material gradually became the mainstream for making soundproof earplugs. It is polyvinyl chloride (PVC) foam plastic soundproof earplugs with slow rebound characteristics.Slow reboundAfter being hand-rolled into thin strips, earplugs will slowly expand within a few minutes and gradually return to their original shape.It can be molded into different sizes and shapes of earplugs according to individual needs, making them convenient to wear.But later, the European Union respondedPVCManufactured goods have a new definition; they discovered that PVC compounds contain toxins and are not suitable for making products close to the human body, so the use of this material has been completely banned.Therefore, today the materials used in foreign-made noise-canceling earplugs arePUThe material replaces PVC. The earliest earplug product was invented in Europe. Legend has it that Scottish fishermen used a wax-like earplug to resist the seductive sounds of sea witches.The earliest earplug products also originated from Europe, with wax earplugs being the most traditional material.You can soften it by hand and shape it to fit your ear canal.But the downside is that it's not very hygienic; wax may also remain in the ear canal, making it difficult to clean.And wearing them for a long time can cause ear swelling and pain.Later, due to the continuous development and update of new materials, an elastic material gradually became the mainstream for making soundproof earplugs. It is polyvinyl chloride (PVC) foam plastic soundproof earplugs with slow rebound characteristics.Slow reboundAfter being hand-rolled into thin strips, earplugs will slowly expand within a few minutes and gradually return to their original shape.It can be molded into different sizes and shapes of earplugs according to individual needs, making them convenient to wear.But later, the European Union respondedPVCManufactured goods have a new definition; they discovered that PVC compounds contain toxins and are not suitable for making products close to the human body, so the use of this material has been completely banned.Therefore, today the materials used in foreign-made noise-canceling earplugs arePUThe material replaced PVC

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