Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: C.M.Harris, Noise Control in Buildings, McGraw Hill 1994
Woven glass fibers adhered to fiberglass board, painted
Type 3103
PTB reference data
Original description
Woven glass fibers adhered to fiberglass board, painted
Material properties
Manufacturer: Armstrong World Industries
Thickness: 25.4 mm
Wall distance: 400 mm
Surface: painted
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.91
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.70 | 0.95 | 0.75 | 1.00 | 1.05 | 1.00 |
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Method (354): Measured
