FoamHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Manufacturer's product sheet
Value from the PTB table, not verified
pinta acoustic AMBIENT E SPECTRUM melamine foam
AMBIENT E – SPECTRUM
PTB reference data
Original description
pinta acoustic AMBIENT E SPECTRUM melamine foam
Material properties
Manufacturer: pinta acoustic gmbh
Thickness: 50 mm
Wall distance: 300 mm
Surface: structured
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.95
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.40 | 0.85 | 0.85 | 0.95 | 1.00 | 1.00 |
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Value from the PTB table, not verified
Measured values as a table (1 measurement)
| Build-up | αw | 125 Hz | 250 Hz | 500 Hz | 1000 Hz | 2000 Hz | 4000 Hz |
|---|---|---|---|---|---|---|---|
| 50 mm · 9,5±1,5 kg/m³ · 300 mm | 0.95 | 0.40 | 0.85 | 0.85 | 0.95 | 1.00 | 1.00 |
Measured values as a table (1 measurement)
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