FoamHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Produktblatt des Herstellers
pinta acoustic BALANCE willtec melamine foam with non-woven facing
BALANCE
PTB reference data
Original description
pinta acoustic BALANCE willtec melamine foam with non-woven facing
Material properties
Manufacturer: pinta acoustic gmbh
Thickness: 20 mm, 40 mm, 120 mm
Wall distance: 100 mm, 200 mm, 300 mm, 500 mm
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 16 variants
αw
1.35
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.90 | 1.40 | 1.50 | 1.60 | 1.50 | 1.40 |
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| Compare | Value | ||
|---|---|---|---|
| 120 mm | 300mm | αw1.35 | |
| 120 mm | 200mm | αw1.33 | |
| 120 mm | 100mm | αw1.29 | |
| 40 mm | 300 mm | αw1.07 | |
| 40 mm | 200 mm | αw1.01 | |
| 40 mm | 300 mm | αw1.00 | |
| 40 mm | 100 mm | αw0.99 | |
| 40 mm | 200 mm | αw0.97 | |
| 40 mm | 100 mm | αw0.95 | |
| 20 mm | 300 / 500mm | αw0.88 | |
| 20 mm | 300 mm | αw0.82 | |
| 20 mm | 300 mm | αw0.81 | |
| 20 mm | 200 mm | αw0.81 | |
| 20 mm | 100 mm | αw0.78 | |
| 20 mm | 200 mm | αw0.76 | |
| 20 mm | 100 mm | αw0.74 |
Weight / density: 9,5±1,5 kg/m³
Dimensions: 2500 x 1250 mm
