FabricHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: C.M.Harris, Noise Control in Buildings, McGraw Hill 1994
Value from the PTB table, not verified
Vicracoustic Trimline panel, polyester covering
Vicracoustic
PTB reference data
Original description
Vicracoustic Trimline panel, polyester covering
Material properties
Manufacturer: Forbo Industries
Thickness: 1/2 inch
Wall distance: 0 mm
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 | 0.05 | 0.10 | 0.40 | 0.80 | 1.00 | 1.00 |
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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 |
|---|---|---|---|---|---|---|---|
| 1/2 inch · 0.5 kg / m² · 0 | 0.40 | 0.04 | 0.11 | 0.38 | 0.80 | 0.98 | 1.04 |
Measured values as a table (1 measurement)
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