Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: H. Lenz, Marktübersicht schallabsorbierende Anordnungen, Ruhr Universität Bochum, 1981, Seite 68
AMF Thermatex mineral fiber panel, irregularly perforated
irregularly perforated
PTB reference data
Original description
AMF Thermatex mineral fiber panel, irregularly perforated
Material properties
Manufacturer: AMF - Mineralplatten GmbH Betriebs KG
Thickness: 20 mm
Wall distance: 400 mm
Dimensions: 300 x 300 mm to 1250 x 1250 mm
Surface weight: 7.4 kg/m²
Perforation: perforated
Hole size: 4 mm
Up to fire class: fire-resistant
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.61
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.55 | 0.45 | 0.55 | 0.75 | 0.75 | 0.60 |
Create a permanent free account — Access frequency bands, variants and export.
Free. No password required.
Method (354): Measured