Mineral woolHigh-frequency absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: DNA 1968, Tabelle a3.2-6
Value from the PTB table, not verified
Mineral fiber panel, resin-bonded, thickness 10 mm
PTB reference data
Original description
Mineral fiber panel, resin-bonded, thickness 10 mm
Material properties
Thickness: 10 mm
Surface weight: 1.6 kg/m²
Density: 160 kg/m³
Flow resistance: 0.025 kPa·s/m²
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.30
Frequency values
αp nach ISO 11654
| f (Hz) | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|
| αp | 0.10 | 0.25 | 0.50 | 0.70 | 0.95 |
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Value from the PTB table, not verified
Measured values as a table (1 measurement)
| Build-up | αw | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 10 mm · 160 kg/m^3, 1,6 kg/m^2 | 0.30 | 0.10 | 0.08 | 0.10 | 0.15 | 0.18 | 0.24 | 0.33 | 0.42 | 0.50 | 0.57 | 0.68 | 0.70 | 0.78 | 0.85 | 0.93 | 1.00 |
Measured values as a table (1 measurement)
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