OtherHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Dalenbäck, Datensatz der CATT-Software, November 2000. Data-Category in CATT: MINERALWOOL7, C: Walls, D: 50
Walls, 50 mm thick, directly against wall, with 0.05 mm PE foil
PTB reference data
Original description
Walls, 50 mm thick, directly against wall, with 0.05 mm PE foil
Material properties
Thickness: 50 mm
Wall distance: 0 mm
Backing: 0.05 mm PE foil
Application: wall
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.71
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.20 | 0.65 | 1.00 | 0.95 | 0.85 | 0.65 |
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Method (354): Measured