Conical Shape PU Foam Earplug
Features:
EP-33 earplugs are highly sought-after for their effective noise reduction, comfortable fit, and ease of use. They are crafted from safe and non-toxic PU foam, making them gentle on the skin and unlikely to cause irritation or allergies. These earplugs come in a moderate size that can accommodate most ear canal sizes and are available in a variety of packaging options to suit each user's preferences.
Excellent Attenuation Values:
Attenuation levels of a foam earplug can be affected by the material chemistry, density, foam cell structure, and physical shape. The attenuation values for EP-33 serial conical-shaped disposable foam earplugs are provided below.
Test in accordance with ANSI S3.19-1974
| Frequency (Hz) |
125 |
250 |
500 |
1000 |
2000 |
3150 |
4000 |
6300 |
8300 |
| Measured Attenuation (dB) |
39.8 |
40.4 |
42.6 |
40.3 |
39.1 |
45.2 |
45.7 |
48.3 |
47.4 |
| Standard Derivation (dB) |
3.0 |
3.9 |
2.9 |
3.6 |
3.7 |
3.0 |
2.5 |
4.9 |
3.7 |
NRR= 32dB
Provide long-term comfort:
The comfort of an earplug cannot be assessed by its look or feel. The only true measure of comfort is through user experience. EP-33 its unique, in-ear characteristics, such as shape, density, hydrophilic texture, ensure all-day comfort and protection in a wide range of working environments. The unique slow recovery foam used in EP-33 Earplugs creates lower pressure in the ear canal than other foams for outstanding comfort throughout the day.
Comply with international standards and certificates:
- US S3.19-1974 test standard
- EU EN352-2:2020 test standard
- Comply with EU 2016/425 regulation
- CE and UKCA certified
- Conforms to EU REACH (EC) N.1907/2006 regulation, does not contain SVHCs harmful chemical substances
