Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: DNA-Tabelle 1968 a 4-4
Mineral fiber panel, fine-pored spray finish, 20 mm
PTB reference data
Original description
Mineral fiber panel, fine-pored spray finish, 20 mm
Material properties
Thickness: 20 mm
Wall distance: 50 mm
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.70
Frequency values
αp nach ISO 11654
| f (Hz) | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|
| αp | 0.55 | 0.80 | 0.85 | 0.75 | 0.55 |
Create a permanent free account — Access frequency bands, variants and export.
Free. No password required.
Method (354): Measured