Physikalisch-Technische Bundesanstalt
Source: Produktblatt des Herstellers
phonestop
Original description
pinta acoustic phonestop expanded glass granulate element
ISO 354 – reverberation chamber· 3 variants
αp per ISO 11654
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| Compare | Value | |
|---|---|---|
| 300 mm | αw0.67 | |
| 200 mm | αw0.66 | |
| 100 mm | αw0.65 |
Weight / density: 270 kg/m³ ± 10%
Dimensions: 618 x 618 mm
