Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: C.M.Harris, Noise Control in Buildings, McGraw Hill 1994
Value from the PTB table, not verified
Flumroc Iglu mineral fiber insulation board
Iglu
PTB reference data
Original description
Flumroc Iglu mineral fiber insulation board
Material properties
Manufacturer: Flumroc A.G.
Thickness: 30 mm, 50 mm, 100 mm
Wall distance: 0 mm
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 3 variants
αw
0.95
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.20 | 0.80 | 0.95 | 0.95 | 0.95 | 0.95 |
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| Compare | Value | ||
|---|---|---|---|
| 50 mm | 5.5 kg / m² | αw0.95 | |
| 100 mm | 11 kg / m² | αw0.95 | |
| 30 mm | 3.3 kg / m² | αw0.70 |
Dimensions: 60 cm x 100 cm
Distance: 0
Measured values as a table (3 measurements)
| Build-up | αw | 125 Hz | 250 Hz | 500 Hz | 1000 Hz | 2000 Hz | 4000 Hz |
|---|---|---|---|---|---|---|---|
| 30 mm · 3.3 kg / m² · 0 | 0.70 | 0.08 | 0.38 | 0.85 | 0.98 | 0.99 | 1.00 |
| 50 mm · 5.5 kg / m² · 0 | 0.95 | 0.22 | 0.81 | 0.95 | 0.95 | 0.96 | 0.94 |
| 100 mm · 11 kg / m² · 0 | 0.95 | 0.60 | 0.84 | 0.90 | 0.95 | 0.97 | 0.99 |
Measured values as a table (3 measurements)
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