Mineral woolHigh-frequency absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: H. Lenz, Marktübersicht schallabsorbierende Anordnungen, Ruhr Universität Bochum, 1981, Seite 69
Value from the PTB table, not verified
AMF-Thermatex Fresko mineral fiber panel
Fresko
PTB reference data
Original description
AMF-Thermatex Fresko mineral fiber panel
Material properties
Manufacturer: AMF - Mineralplatten GmbH Betriebs KG
Wall distance: 7.9 in
Dimensions: 300 x 12 in to 1250 x 49 in
Surface weight: 7.2 kg/m²
Surface: embossed
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 | 0.45 | 0.40 | 0.55 | 0.65 | 0.75 | 1.00 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 7,2 kg / m² · 200 mm | 0.60 | 0.55 | 0.38 | 0.40 | 0.38 | 0.38 | 0.38 | 0.45 | 0.55 | 0.58 | 0.60 | 0.68 | 0.70 | 0.72 | 0.75 | 0.85 | 0.90 | 1.00 | 1.10 |
Measured values as a table (1 measurement)
Access frequency bands, variants and export. Create a permanent free account
Last updated: