FabricHighly 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
Perdue Acoustics LSS-RHRF fabric-covered panel, 6 pcf rock wool core
LSS-RHRF
PTB reference data
Original description
Perdue Acoustics LSS-RHRF fabric-covered panel, 6 pcf rock wool core
Material properties
Manufacturer: Perdue Acoustics
Thickness: 2 inches
Wall distance: 0 mm
Density: 6 pcf
Backing: 6 pcf rock wool core
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
1.00
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.45 | 0.95 | 1.00 | 1.00 | 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 |
|---|---|---|---|---|---|---|---|
| 2 inches · 1 lb/ft² · 0 | 1.00 | 0.46 | 0.93 | 1.26 | 1.10 | 1.00 | 1.00 |
Measured values as a table (1 measurement)
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