GypsumHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Herstellerangabe im Internet unter http://www.baswa.com, 08.02.2001
BASWA-phon System P, mineral plaster on mineral wool
BASWA-phon System P
PTB reference data
Original description
BASWA-phon System P, mineral plaster on mineral wool
Material properties
Manufacturer: BASWA Schall- und Wärmedämmstoffe AG
Thickness: 5 mm
Wall distance: 0 mm, 250 mm
Surface: open-pored
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 6 variants
αw
0.65
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.45 | 0.75 | 0.75 | 0.65 | 0.60 | 0.50 |
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| Compare | Value | ||
|---|---|---|---|
| 5 mm | 0 | αw0.65 | |
| 5 mm, System: 47,5 mm | 0 mm | αw0.62 | |
| 5 mm | 250 mm | αw0.62 | |
| 5 mm | 250 mm | αw0.62 | |
| 5 mm | 250 mm | αw0.60 | |
| 5 mm | 0 | αw0.56 |