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, 5.1 cm glass wool, 24 to 48 kg/m³
PTB reference data
Original description
Fiberglass boards and blankets, 5.1 cm glass wool, 24 to 48 kg/m³
Material properties
Thickness: 51 mm
Density: 24 to 48 kg/m³
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.68
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.15 | 0.55 | 0.80 | 0.90 | 0.85 | 0.80 |
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Method (354): Measured