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Hearing Protection E-2007 Noise Proof Safety Earmuff l Shell : High Density ABS Material l Head Band : Heavy Duty ABS Material l Sponge: Sound Absorbing Foamed Sponge l Design : Easy Slide Cup Adjustment l Color Available: Black, Red, Blue, Orange, Yellow etc l Sound Proof: NRR 22dB, SNR 25dB l Application : Construction, Road &...
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√ Standard: EN 352-1 Test Requirement Applicable Result Headband Force (4.3.3) Maximum Force: 11.65 N Pass Cushion Pressure (4.3.5) Maximum Pressure: 4005 Pa Pass Headband Force Variation (4.3.8) Maximum Variation: -14.8% Pass Insert Loss (4.3.9) Pass Frequency (Hz) 1000 2000 4000 8000 Averange...