Physikalisch-Technische Bundesanstalt
Source: Herstellerangaben im Internet unter www.rigips.de, Stand März 07
Rigiton perforated panel 12-20/66 with Scherff acoustic plaster
Original description
Rigiton perforated panel 12-20/66 with acoustic plaster and mineral wool
ISO 354 – reverberation chamber· 3 variants
αp per ISO 11654
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| Compare | Value | |
|---|---|---|
| 400 | αw0.72 | |
| 100 | αw0.70 | |
| 40 | αw0.66 |
