Physikalisch-Technische Bundesanstalt
Source: Herstellerangabe www.knauf.de
D 127 block-pattern perforation w/ round holes 8/18R Design B5
Original description
Knauf D 127 acoustic design panel, block-pattern round holes 8/18R, Design B5
ISO 354 – reverberation chamber· 2 variants
αp per ISO 11654
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| Compare | Value | |
|---|---|---|
| 400 mm | αw0.55 | |
| 60 mm | αw0.49 |
Weight / density: <15 kg / m²
Dimensions: 1224 mm x 2448 mm