Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: DNA 1968, Tabelle a3.2-7
Value from the PTB table, not verified
Resin-bonded mineral fiber panel (DNA 1968, a3.2-7)
PTB reference data
Original description
Resin-bonded mineral fiber panel (DNA 1968, a3.2-7)
Material properties
Thickness: 30 mm
Surface weight: 1.4 kg/m²
Density: 46.5 kg/m³
Flow resistance: 12 Rayl/cm
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.70
Frequency values
αp nach ISO 11654
| f (Hz) | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|
| αp | 0.40 | 0.85 | 0.90 | 0.90 | 0.90 |
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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 | 6300 Hz |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 30 mm · 46,5 kg/m^3, 1,4 kg/m^2 | 0.70 | 0.12 | 0.30 | 0.44 | 0.48 | 0.75 | 0.84 | 0.92 | 0.92 | 0.84 | 0.90 | 0.90 | 0.93 | 0.90 | 0.90 | 0.88 | 0.93 | 0.90 |
Measured values as a table (1 measurement)
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