FoamHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: RAMSETE
Silflex rubber 3.5 kg/m² (MATIS)
PTB reference data
Original description
Silflex rubber 3.5 kg/m² (MATIS)
Material properties
Manufacturer: MATIS
Surface weight: 3.5 kg/m²
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.10
Frequency values
αp nach ISO 11654
| f (Hz) | 63 | 125 | 250 | 500 | 1k | 2k |
|---|---|---|---|---|---|---|
| αp | 0.10 | 0.10 | 0.10 | 0.10 | 0.10 | 0.10 |
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Method (354): Measured