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 Harmony mineral wool panel
OWAcoustic – Harmony
PTB reference data
Original description
OWAcoustic Harmony mineral wool panel
Material properties
Manufacturer: Odenwaldwerk
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.75
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.45 | 0.60 | 0.65 | 0.75 | 1.00 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Measurement 1 | 0.75 | 0.44 | 0.43 | 0.53 | 0.52 | 0.62 | 0.62 | 0.65 | 0.67 | 0.66 | 0.67 | 0.80 | 0.84 | 0.99 | 1.00 | 1.01 | 1.05 | 1.03 | 1.01 |
Measured values as a table (1 measurement)
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