- Thông tin sản phẩm
- Thông tin kỹ thuật
Bag of 10 pairs of reusable thermoplastic (TPR) earplugs with textile cord. Ø 7-11 mm. Can be used with or without cord (9 pairs in bag + 1 pair in storage plastic box).
Cord : textile.
EN352-2 Hearing protection : Earplug
SNR 29 dB Standard noise reduction
H 29 High frequency attenuation
M 27 Medium frequency attenuation
L 24 Low frequency attenuation
ANSI S3.19-1974 American National Standards Institute
NRR 25 dB NRR (Noise Reduction Rating)
This standard specifies the test method for determining the level of noise attenuation (NRR Noise Reduction Rating) of the hearing protection, as recommended by the EPA (U.S. Environmental Protection Agency).