Physikalisch-Technische Bundesanstalt
Source: Herstellerangabe www.knauf.de
D 127 block-pattern perforation with square holes 12/25Q Design B6
Original description
Knauf acoustic design panel D 127, ball-impact resistant
ISO 354 – reverberation chamber· 2 variants
αp per ISO 11654
Create a permanent free account — Access frequency bands, variants and export.
Free. No password required.
| Compare | Value | |
|---|---|---|
| 400 mm | αw0.62 | |
| 60 mm | αw0.47 |
Weight / density: <15 kg / m²
Dimensions: 1200 mm x 2400 mm
