Physikalisch-Technische Bundesanstalt
Source: Herstellerangabe www.knauf.de
D 127 block-pattern perforation with round holes 8/18R Design B6
Original description
Knauf D 127 acoustic design panel, ball-impact resistant
ISO 354 – reverberation chamber· 2 variants
αp per ISO 11654
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| Compare | Value | |
|---|---|---|
| 400 mm | αw0.60 | |
| 60 mm | αw0.50 |
Weight / density: <15 kg / m²
Dimensions: 1224 mm x 2448 mm
