Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: C.M.Harris, Noise Control in Buildings, McGraw Hill 1994
Hanging panels, 2.70 pcf fiberglass in polyethylene casing
baffles – INC 27G
PTB reference data
Original description
Hanging panels, 2.70 pcf fiberglass in polyethylene casing
Material properties
Manufacturer: Industrial Noise Control
Thickness: 1 1/2 inch
Density: 2.70 pcf
Surface: polyethylene casing 0.002 inch thick
Mounting: Hanging panels
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
1.05
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.30 | 0.60 | 1.30 | 1.65 | 1.40 | 1.05 |
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Method (354): Measured
