TextileHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Herstellerangabe
Drapes, 2-layer, 1.7-fold gathered, 0.45 m from wall, B1 not easily flammable
Type AV 12
PTB reference data
Original description
Drapes, 2-layer, 1.7-fold gathered, 0.45 m from wall, B1 not easily flammable
Material properties
Manufacturer: mbakustik
Wall distance: 0.45 m
Up to fire class: B1 not easily flammable
Application: curtain
Mounting: in front of reverberation chamber wall
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.69
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.15 | 0.45 | 0.60 | 0.90 | 1.00 | 1.05 |
Create a permanent free account — Access frequency bands, variants and export.
Free. No password required.
Method (354): Measured