Physikalisch-Technische Bundesanstalt
Source: Herstellerangabe www.knauf.de
D 127 block-pattern perforation with round holes 8/18R Design B4
Original description
Knauf Acoustic Design Panel D 127, block-pattern perforation 8/18R
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 | αw0.61 | |
| 60 mm | αw0.48 |
Weight / density: <15 kg / m²
Dimensions: 1224 mm x 2448 mm
