FoamHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Herstellerangabe unter http://www.illbruck-raumakustik.de
illbruck FM C1 cassette inlay, melamine foam, A2
FM C1 cassette inlay
PTB reference data
Original description
illbruck FM C1 cassette inlay, melamine foam, A2
Material properties
Manufacturer: illbruck GmbH
Thickness: 10 mm, 5 mm
Up to fire class: A2
Application: ceiling facing
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 2 variants
αw
0.69
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.50 | 0.70 | 0.60 | 0.75 | 0.80 | 0.75 |
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| Compare | Value | |
|---|---|---|
| 10 mm thickness der Dämmstoffschicht | αw0.69 | |
| 5 mm thickness der Dämmstoffschicht | αw0.57 |
Dimensions: 595 x 595 mm, 620 x 620 mm, 1195 x 1195 mm, 1245 x 620 mm, 1250 x 830 mm