Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: C.M.Harris, Noise Control in Buildings, McGraw Hill 1994
Fissured acoustical tile
Auratone
PTB reference data
Original description
Fissured acoustical tile
Material properties
Manufacturer: USG Interiors
Thickness: 5/8 inch, 3/4 inch
Wall distance: 400 mm
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 3 variants
αw
0.63
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.50 | 0.35 | 0.75 | 0.75 | 0.70 | 0.70 |
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| Compare | Value | ||
|---|---|---|---|
| 3/4 inch | 1.2 lb/ft² | αw0.63 | |
| 5/8 inch | 1.2 lb/ft² | αw0.59 | |
| 5/8 inch | 0.9 lb/ft² | αw0.54 |
Dimensions: 12 x 12 inches
Distance: 400 mm