PlasticHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Herstellerangabe unter http://www.illbruck-raumakustik.de, März 2001
illbruck baffel rondo melamine foam cylinder
illbruck baffel rondo
PTB reference data
Original description
illbruck baffel rondo melamine foam cylinder
Material properties
Manufacturer: illbruck GmbH
Wall distance: free-hanging, row center distance 400 mm, 600 mm, 720 mm
Application: ceiling
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 3 variants
αw
0.60
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.10 | 0.35 | 0.75 | 0.85 | 0.75 | 0.65 |
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| Compare | Value | |
|---|---|---|
| free-hanging, Reihenmittenabstand 400 mm | αw0.60 | |
| free-hanging, Reihenmittenabstand 600 mm | αw0.46 | |
| free-hanging, Reihenmittenabstand 720 mm | αw0.42 |
Weight / density: 9...13 kg/m^3
Dimensions: d = 150 mm, l = 1200 mm
Application: Die Elemente können vertical or waagerecht an Tragschienensysteme montiert werden
