Physikalisch-Technische Bundesanstalt
Source: H. Lenz, Marktübersicht schallabsorbierende Anordnungen, Ruhr Universität Bochum, 1981, Seite 192
Perllit Sound Absorption Panel – No. 71
Original description
Knauf Perllit Sound Absorption Panel No. 71
ISO 354 – reverberation chamber· 2 variants
αp per ISO 11654
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| Compare | Value | |
|---|---|---|
| 500 mm | αw0.65 | |
| 50 mm | αw0.53 |
Weight / density: ca. 15 kg / m²
Dimensions: 625 x 625 mm
