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OPTIME II, wide and comfortable rings are filled with a unique combination of fluid and foam, optimal sealing and low pressure at the same time. Sound attenuation 31 dB. Suitable for substantial noise, muffle even extremely low frequencies to a maximum degree.
| Material composition |
Material composition
noise or construction machinery, airports and agricultural work. Sound reduction: 31 dB
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| Norms |
Norms
EN 352-1
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| Brand |
Brand
3M
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| Manufacturer / Supplier |
Manufacturer / Supplier
3M Česko, spol. s r.o., V Parku 2343/24, 148 00, Praha 4, 3m.costumercollections.cz@mmm
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| Safety information |
Safety information
The product must be used for the purpose for which it was manufactured.
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