Purpose General work, polishing work, welding work.
Frequency (Hz)/Sound Isolation Value (dB)/Standard Deviation (dB) 125/26.1/4.8, 250/24.6/4.1, 500/27.4/4.6, 1000/24.9/3.3, 2000/31.3, 2.0, 4000/34.3/4.9, 8000/41.6/5.2
NRR Value 25dB
JIS Standard T8161 EP-1 (1 species) products conforming to JIS
Size One Size Fits All
Shape Three-stage flange shape
Material Thermoplastic elastomer
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4 Customer Reviews
The reviews are automatic translation.
Bin sorting line
On 2017-07-19 15:34:42
Although I purchased it near by noise control, I am satisfied that it is a standard item and can be washed with a string.
Work in the factory
On 2017-03-19 10:24:35
Did you say that it is a spiral type? This kind of earplug, my case, my ears are getting hurt, so it was no use after all. Because it does not hurt if it is a sponge type, it can be packed for hours even if it is so, it is troublesome to detach it ...
On 2016-11-14 14:45:48
Is it compatible with the ear hole? The ear plug gradually goes out when working.
Ear plug in site work
On 2015-11-09 12:55:54
Because it is cheaper than the current product and there is no change point, continue to purchase.
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