Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: H. Lenz, Marktübersicht schallabsorbierende Anordnungen, Ruhr Universität Bochum, 1981, Seite 216
Value from the PTB table, not verified
Owakustik MF 1 perforated mineral fiber sound absorber
Owakustik – MF 1 regularly perforated
PTB reference data
Original description
Owakustik MF 1 perforated mineral fiber sound absorber
Material properties
Manufacturer: Odenwaldwerk
Thickness: 16 mm
Wall distance: approx. 200 mm
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 | 0.60 | 0.50 | 0.55 | 0.75 | 0.85 | 0.85 |
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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 16 mm · 5 kg / m² · ca. 200 mm · weiss farbbeschichtet | 0.65 | 0.60 | 0.60 | 0.57 | 0.53 | 0.49 | 0.52 | 0.54 | 0.57 | 0.61 | 0.66 | 0.74 | 0.79 | 0.81 | 0.86 | 0.85 | 0.84 | 0.84 |
Measured values as a table (1 measurement)
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