Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: C.M.Harris, Noise Control in Buildings, McGraw Hill 1994
Value from the PTB table, not verified
Acoustical panels, lay-in
Fissura
PTB reference data
Original description
Acoustical panels, lay-in
Material properties
Manufacturer: PAVAfibre SA
Thickness: 16 mm
Wall distance: 300 mm
Mounting: Lay-in
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.60
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.40 | 0.45 | 0.50 | 0.75 | 1.00 | 1.00 |
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Value from the PTB table, not verified
Measured values as a table (1 measurement)
| Build-up | αw | 125 Hz | 250 Hz | 500 Hz | 1000 Hz | 2000 Hz | 4000 Hz |
|---|---|---|---|---|---|---|---|
| 16 mm · 5.5 kg / m² · 300 mm | 0.60 | 0.38 | 0.44 | 0.50 | 0.77 | 0.98 | 1.08 |
Measured values as a table (1 measurement)
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