GypsumHigh-frequency absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Herstellerangabe im Internet unter www.scherff.de
Scherff acoustic plaster, non-combustible A1
PTB reference data
Original description
Scherff acoustic plaster, non-combustible A1
Material properties
Manufacturer: Scherff GmbH Co.KG
Thickness: approx. 12 mm
Up to fire class: A1 (DIN 4102)
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 | 0.15 | 0.25 | 0.40 | 0.70 | 0.85 |
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Method (354): Measured
