TextileHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Herstellerangabe
mbakustik Curtain Type AV 12, 2-layer, not easily flammable
Type AV 12
PTB reference data
Original description
mbakustik Curtain Type AV 12, 2-layer, not easily flammable
Material properties
Manufacturer: mbakustik
Wall distance: 0.60 m
Up to fire class: B1 not easily flammable
Mounting: in front of reverberation chamber wall
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.71
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.20 | 0.40 | 0.65 | 0.90 | 1.00 | 1.10 |
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Method (354): Measured