FoamHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Produktblatt des Herstellers
pinta acoustic cassette inlay willtec FM melamine foam
CASSETTE INLAY
PTB reference data
Original description
pinta acoustic cassette inlay willtec FM melamine foam
Material properties
Manufacturer: pinta acoustic gmbh
Thickness: 5 mm, 10 mm
Wall distance: 350 mm
Backing: perforated steel sheet
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 2 variants
αw
0.68
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.50 | 0.70 | 0.55 | 0.75 | 0.85 | 0.75 |
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| Compare | Value | |
|---|---|---|
| 10 mm | αw0.68 | |
| 5 mm | αw0.57 |
Weight / density: 80 kg/m³
Dimensions: variabel
Distance: 350 mm