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
USG Interiors Auratone fissured acoustic panels
Auratone
PTB reference data
Original description
USG Interiors Auratone fissured acoustic panels
Material properties
Manufacturer: USG Interiors
Thickness: 5/8 inch, 3/4 inch
Wall distance: 400 mm
Surface: fissured
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 2 variants
αw
0.65
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.35 | 0.35 | 0.70 | 0.85 | 0.70 | 0.65 |
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| Compare | Value | ||
|---|---|---|---|
| 3/4 inch | 1.3 lb/ft² | αw0.65 | |
| 5/8 inch | 0.81 lb/ft² | αw0.55 |
Dimensions: 24 x 48 inches
Distance: 400 mm
Measured values as a table (2 measurements)
| Build-up | αw | 125 Hz | 250 Hz | 500 Hz | 1000 Hz | 2000 Hz | 4000 Hz |
|---|---|---|---|---|---|---|---|
| 5/8 inch · 0.81 lb/ft² · 400 mm | 0.55 | 0.42 | 0.34 | 0.44 | 0.72 | 0.67 | 0.64 |
| 3/4 inch · 1.3 lb/ft² · 400 mm | 0.65 | 0.34 | 0.36 | 0.71 | 0.85 | 0.68 | 0.64 |
Measured values as a table (2 measurements)
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