Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Manufacturer data unter www.owa.de
Value from the PTB table, not verified
OWAcoustic Excel 1 mineral wool panel (non-woven + wool)
OWAcoustic – Excel 1 (with non-woven + wool)
PTB reference data
Original description
OWAcoustic Excel 1 mineral wool panel (non-woven + wool)
Material properties
Manufacturer: Odenwaldwerk
Backing: non-woven + wool
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.90
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.45 | 0.70 | 0.80 | 1.00 | 1.00 | 0.90 |
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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Measurement 1 | 0.90 | 0.30 | 0.43 | 0.57 | 0.58 | 0.73 | 0.80 | 0.71 | 0.73 | 0.92 | 1.00 | 1.08 | 1.08 | 1.05 | 1.06 | 0.98 | 0.98 | 0.81 | 0.89 |
Measured values as a table (1 measurement)
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