FoamHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: J.Meyer, Kirchenakustik, Verlag E.Bochinsky
Value from the PTB table, not verified
Foam hanging element with non-woven cover
PTB reference data
Original description
Foam hanging element with non-woven cover
Material properties
Backing: non-woven cover
Application: hanging element
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.40
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.10 | 0.15 | 0.40 | 0.60 | 0.55 | 0.55 |
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 |
|---|---|---|---|---|---|---|---|
| Measurement 1 | 0.40 | 0.08 | 0.17 | 0.42 | 0.58 | 0.56 | 0.53 |
Measured values as a table (1 measurement)
Access frequency bands, variants and export. Create a permanent free account
Last updated: