Mineral woolBroadband absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: H. Lenz, Marktübersicht schallabsorbierende Anordnungen, Ruhr Universität Bochum, 1981, Seite 77
Value from the PTB table, not verified
Armstrong SD Straight Row 9.5mm mineral fiber acoustic panel
SD Straight Row 9.5mm
PTB reference data
Original description
Armstrong SD Straight Row 9.5mm mineral fiber acoustic panel
Material properties
Manufacturer: Armstrong Cork International GmbH
Thickness: 15 mm
Wall distance: 500 mm
Dimensions: 600 x 1200 mm, 625 x 1250 mm
Surface weight: 4.6 kg/m²
Surface: three-layer PVAC-based coating
Mounting: metal suspension
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.65
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.40 | 0.40 | 0.65 | 1.00 | 0.95 | 0.75 |
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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 | 6300 Hz |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 15 mm · 4,6 kg / m² · 500 mm | 0.65 | 0.35 | 0.47 | 0.43 | 0.38 | 0.41 | 0.45 | 0.55 | 0.64 | 0.75 | 0.90 | 1.01 | 1.03 | 0.98 | 0.92 | 0.88 | 0.80 | 0.73 | 0.70 | 0.68 |
Measured values as a table (1 measurement)
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