WoodHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Manufacturer data: www. Isolith.com
Value from the PTB table, not verified
Isolith acoustic panel F, cement-bonded wood wool
Acoustic panel F 50 mm
PTB reference data
Original description
Isolith acoustic panel F, cement-bonded wood wool
Material properties
Manufacturer: Isolith M. Hattinger Ges.m.b.H.
Thickness: 2 in
Up to fire class: not easily flammable (B1)
Measurement data
Sound absorption
Reverberation chamber (ASTM C423 / ISO 354)
NRC
0.65
derived from ISO 354 lab data
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.10 | 0.30 | 0.65 | 0.95 | 0.65 | 0.85 |
Create a permanent free account — Access frequency bands, variants and export.
Free. No password required.
Value from the PTB table, not verified
NRC: 0.65 (derived from ISO 354 lab data)
Measured values as a table (1 measurement)
| Build-up | NRC | 125 Hz | 250 Hz | 500 Hz | 1000 Hz | 2000 Hz | 4000 Hz |
|---|---|---|---|---|---|---|---|
| 50 mm · 19 kg / m² · feine Wollstruktur | 0.65 | 0.10 | 0.31 | 0.63 | 0.94 | 0.66 | 0.87 |
Measured values as a table (1 measurement)
Access frequency bands, variants and export. Create a permanent free account
Last updated: