Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Harris:Handbook of Acoustical Measurements and Noise Control, McGraw Hill 1991
Fiberglass boards and blankets, 25.4 mm glass wool, 24 to 48 kg/m²
PTB reference data
Original description
Fiberglass boards and blankets, 25.4 mm glass wool, 24 to 48 kg/m²
Material properties
Thickness: 25.4 mm
Density: 24 kg/m², 48 kg/m²
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.56
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.10 | 0.25 | 0.65 | 0.85 | 0.80 | 0.75 |
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Method (354): Measured