Mineral woolBroadband absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: H. Lenz, Marktübersicht schallabsorbierende Anordnungen, Ruhr Universität Bochum, 1981, Seite 72
Value from the PTB table, not verified
AMF-Thermatex mineral fiber panel, needled, fire-resistant
PTB reference data
Original description
AMF-Thermatex mineral fiber panel, needled, fire-resistant
Material properties
Manufacturer: AMF - Mineralplatten GmbH Betriebs KG
Thickness: 0.6 in
Wall distance: 8.5 in
Dimensions: 300 x 12 in to 1250 x 49 in
Surface weight: 6.5 kg/m²
Backing: surface completely needled
Up to fire class: fire-resistant
Measurement data
Sound absorption
Reverberation chamber (ASTM C423 / ISO 354)
NRC
0.55
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 | 0.65 | 0.90 | 0.95 |
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Value from the PTB table, not verified
NRC: 0.55 (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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 15 mm · 6,5 kg / m² · 215 mm | 0.55 | 0.50 | 0.35 | 0.30 | 0.33 | 0.28 | 0.30 | 0.35 | 0.38 | 0.42 | 0.55 | 0.62 | 0.72 | 0.85 | 0.88 | 0.98 | 1.00 | 0.90 | 0.92 |
Measured values as a table (1 measurement)
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