What is the difference between hard and soft custom-made earplugs?
What is the difference between hard and soft custom-made earplugs?
What is the difference between hard and soft custom-made earplugs?
The choice between hard and soft otoplastics depends on the working environment, hygiene requirements and personal preference.
Hard otoplastics (acrylate)
- Superior hygiene: Due to their smooth surface, dirt, earwax and bacteria hardly adhere to them. They are very quick and easy to wipe clean. Due to their high cleanability, hard otoplastics are preferred in the food sector.
- Easy insertion: Because the material is smooth, they slide effortlessly into the ear. This is ideal for employees who frequently need to insert and remove their hearing protection (e.g. managers).
- Fit & movement: Because the material is rigid, it does not bend. If you talk or chew a lot, it can sometimes feel uncomfortable and a tiny gap can sometimes form, allowing sound to leak in.
- Durability: Hard ones are less prone to normal wear and tear, making them the most durable, but they can crack or break more easily if dropped on a hard concrete floor.
Soft otoplastics (silicone)
- Maximum comfort: The material is soft and flexible. This reduces the risk of pressure points or irritation in the ear canal, making them ideal for long shifts.
- Constant protection: Because silicone is flexible, it moves with the ear canal. Even when you talk, laugh or chew, the seal remains intact.
- Comfort and safety under the helmet: Soft material is more comfortable and safer for wearers of safety helmets. In the event of a blow to the head, the material gives way instead of passing the impact on to the ear.
- Slightly more difficult to use: Silicone has more friction: it does not slide over the skin. Insertion sometimes requires a twisting motion, and it can attract dust more quickly if touched with dirty hands.
- Slightly smaller occlusion effect: Because silicone is flexible and has a lower density than hard acrylic, it absorbs vibrations from the ear canal wall better. This often makes your own voice sound more natural and less muffled.
- Durability: Soft otoplastics wear out a bit faster and don't last as long. They also tend to discolour over time. But they're more shock-resistant and pretty much indestructible if dropped. They bounce instead of breaking.
In summary:
Choose hard if hygiene is crucial (food), if the earplugs need to be inserted and removed very often, and if they need to last as long as possible (durability).
Coose soft for maximum comfort during long days, when talking/moving a lot, or in heavy industry/construction where a helmet is worn.
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