WoodHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Manufacturer data: www. Isolith.com
Value from the PTB table, not verified
Isolith Akustikplatte F cement-bonded wood wool, thickness 25 mm
Akustikplatte F 25 mm
PTB reference data
Original description
Isolith Akustikplatte F cement-bonded wood wool, thickness 25 mm
Material properties
Manufacturer: Isolith M. Hattinger Ges.m.b.H.
Thickness: 25 mm
Up to fire class: not easily flammable
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.30
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.15 | 0.10 | 0.20 | 0.55 | 0.85 | 0.70 |
Create a permanent free account — Access frequency bands, variants and export.
Free. No password required.
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 |
|---|---|---|---|---|---|---|---|
| 25 mm · 11 kg / m² · feine Wollstruktur | 0.30 | 0.13 | 0.11 | 0.22 | 0.54 | 0.85 | 0.71 |
Measured values as a table (1 measurement)
Access frequency bands, variants and export. Create a permanent free account
Last updated: