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 Kreuzfresko mineral fiber panel
Kreuzfresko
PTB reference data
Original description
AMF Kreuzfresko mineral fiber panel
Material properties
Manufacturer: AMF - Mineralplatten GmbH Betriebs KG
Wall distance: 200 mm
Dimensions: 300 x 300 mm to 1250 x 1250 mm
Surface weight: 7.2 kg/m²
Surface: surface with heavy embossing
Up to fire class: fire-resistant
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.50
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.35 | 0.30 | 0.40 | 0.60 | 0.90 | 1.00 |
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Value from the PTB table, not verified
Measured values as a table (1 measurement)
| Build-up | αw | 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 | 0.50 | 0.50 | 0.33 | 0.28 | 0.30 | 0.28 | 0.30 | 0.33 | 0.38 | 0.44 | 0.52 | 0.60 | 0.70 | 0.80 | 0.85 | 1.05 | 1.10 | 1.00 | 1.10 |
Measured values as a table (1 measurement)
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