Mineral woolBroadband absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: H. Lenz, Marktübersicht schallabsorbierende Anordnungen, Ruhr Universität Bochum, 1981, Seite 68
Value from the PTB table, not verified
AMF-Thermatex mineral fiber panel, finely perforated
finely perforated
PTB reference data
Original description
AMF-Thermatex mineral fiber panel, finely perforated
Material properties
Manufacturer: AMF - Mineralplatten GmbH Betriebs KG
Thickness: 0.8 in
Wall distance: 16 in
Dimensions: 300 x 12 in to 1250 x 49 in
Surface weight: 7.4 kg/m²
Perforation: perforated
Hole size: 0.2 in
Up to fire class: fire-resistant
Measurement data
Sound absorption
Reverberation chamber (ASTM C423 / ISO 354)
NRC
0.60
derived from ISO 354 lab data
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.40 | 0.30 | 0.40 | 0.70 | 0.90 | 0.95 |
Create a permanent free account — Access frequency bands, variants and export.
Free. No password required.
Value from the PTB table, not verified
NRC: 0.60 (derived from ISO 354 lab data)
Measured values as a table (1 measurement)
| Build-up | NRC | 100 Hz | 125 Hz | 160 Hz | 200 Hz | 250 Hz | 315 Hz | 400 Hz | 500 Hz | 630 Hz | 800 Hz | 1000 Hz | 1250 Hz | 1600 Hz | 2000 Hz | 2500 Hz | 3150 Hz | 4000 Hz | 5000 Hz |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 20 mm · 7,4 kg / m² · 400 mm | 0.60 | 0.60 | 0.33 | 0.30 | 0.28 | 0.31 | 0.35 | 0.33 | 0.40 | 0.50 | 0.60 | 0.68 | 0.82 | 0.87 | 0.92 | 0.97 | 0.97 | 0.92 | 0.92 |
Measured values as a table (1 measurement)
Access frequency bands, variants and export. Create a permanent free account
Last updated: