Physikalisch-Technische Bundesanstalt
Source: Herstellerangabe im Internet unter http://www.baswa.com, 08.02.2001
BASWA-phon System P
Original description
BASWA-phon System P, mineral plaster on mineral wool
ISO 354 – reverberation chamber· 6 variants
αp per ISO 11654
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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 |