Mineral wool
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
Acoustone "F" fissured, foil-backed tiles and panels
Acoustone "F"
PTB reference data
Original description
Acoustone "F" fissured, foil-backed tiles and panels
Material properties
Manufacturer: USG Interiors
Thickness: 3/4 inch
Wall distance: 400 mm
Backing: foil-faced
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.65
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.50 | 0.40 | 0.65 | 0.95 | 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 |
|---|---|---|---|---|---|---|---|
| 3/4 inch · 1.3 lb/ft² · 400 mm | 0.65 | 0.52 | 0.38 | 0.67 | 0.97 | 0.98 | 1.02 |
Measured values as a table (1 measurement)
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