FoamHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Herstellerangabe unter http://www.illbruck-raumakustik.de
illbruck batts melamine foam panel, non-woven faced on both sides
batts
PTB reference data
Original description
illbruck batts melamine foam panel, non-woven faced on both sides
Material properties
Manufacturer: illbruck GmbH
Thickness: 50 mm, 30 mm, 15 mm
Backing: non-woven faced on both sides
Up to fire class: B1 according to DIN 4102 (not easily flammable)
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 3 variants
αw
0.84
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.25 | 0.70 | 1.00 | 1.00 | 1.05 | 1.00 |
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| Compare | Value | |
|---|---|---|
| 50 mm | αw0.84 | |
| 30 mm | αw0.78 | |
| 15 mm | αw0.65 |
Weight / density: ca. 11 kg / m³
Dimensions: 1193 x 593 mm, 1243 x 618 mm
