TextileHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Herstellerangabe
mbakustik Type AV 12 curtain, 2-layer, not easily flammable
Type AV 12
PTB reference data
Original description
mbakustik Type AV 12 curtain, 2-layer, not easily flammable
Material properties
Manufacturer: mbakustik
Wall distance: 0.15 m
Up to fire class: B1 not easily flammable
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.59
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.10 | 0.35 | 0.70 | 0.80 | 0.85 | 0.90 |
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Method (354): Measured