WoodHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Manufacturer data: www. Isolith.com
Value from the PTB table, not verified
Isolith wood wool acoustic panel G
Acoustic panel G 35 mm
PTB reference data
Original description
Isolith wood wool acoustic panel G
Material properties
Manufacturer: Isolith M. Hattinger Ges.m.b.H.
Thickness: 35 mm
Up to fire class: not easily flammable
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.35
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.05 | 0.15 | 0.30 | 0.75 | 0.70 | 0.90 |
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Value from the PTB table, not verified
Measured values as a table (1 measurement)
| Build-up | αw | 125 Hz | 250 Hz | 500 Hz | 1000 Hz | 2000 Hz | 4000 Hz |
|---|---|---|---|---|---|---|---|
| 35 mm · 14 kg / m² · grobe Wollstruktur | 0.35 | 0.06 | 0.15 | 0.29 | 0.77 | 0.68 | 0.88 |
Measured values as a table (1 measurement)
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