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PU Foam Ear plugs SM-326:
1- Made from soft polyurethane foam.
2- Availabie with or without PVC cord.
3- Plug : Orange color (MOQ required for other colors)
4- Pass : CE EN352-2, ANSI S3.19/S12.6
5- SNR: 37dB, NRR: 32dB
6- Packaging : 1pair / printed polybag, 200 pairs/PE bag or color box.
| SM-325/ SM326 | ||||||||
| Frequency HZ | 63 | 125 | 250 | 500 | 1000 | 2000 | 4000 | 8000 |
| Mean Attenuation DB | 34.4 | 38.1 | 37.9 | 39.6 | 37.7 | 37.7 | 48.4 | 45.9 |
| Standard Deviation DB | 3.3 | 4.9 | 6.3 | 6.5 | 4.2 | 35 | 5.1 | 4.5 |
| SNR= 37dB; H= 36dB; M= 34dB; L= 33dB | ||||||||




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