Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Herstellerangabe im Internet
RAS Raumakustik SAG-MA 1 broadband absorber
SAG-MA 1
PTB reference data
Original description
RAS Raumakustik SAG-MA 1 broadband absorber
Material properties
Manufacturer: RAS Raumakustik GmbH
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.80
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.50 | 0.85 | 0.95 | 0.95 | 0.85 | 0.70 |
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Method (354): Measured