FoamHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Manufacturer's product sheet
Value from the PTB table, not verified
pinta acoustic WETROOM melamine foam absorber
Absorber WETROOM
PTB reference data
Original description
pinta acoustic WETROOM melamine foam absorber
Material properties
Manufacturer: pinta acoustic gmbh
Thickness: 50 mm
Wall distance: RMA 400 / 1400, RMA 600 / 1400, RMA 720 / 1400, 300 mm
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 4 variants
αw
0.95
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.25 | 0.65 | 1.00 | 1.00 | 1.00 | 1.00 |
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| Compare | Value | |
|---|---|---|
| RMA 400 / 1400 | αw0.95 | |
| 300 mm | αw0.95 | |
| RMA 600 / 1400 | αw0.80 | |
| RMA 720 / 1400 | αw0.70 |
Weight / density: 9,5±1,5 kg/m³
Dimensions: 1200 x 600 mm
Measured values as a table (4 measurements)
| Build-up | αw | 125 Hz | 250 Hz | 500 Hz | 1000 Hz | 2000 Hz | 4000 Hz |
|---|---|---|---|---|---|---|---|
| 50 mm · 9,5±1,5 kg/m³ · RMA 400 / 1400 | 0.95 | 0.25 | 0.65 | 1.00 | 1.00 | 1.00 | 1.00 |
| 50 mm · 9,5±1,5 kg/m³ · RMA 600 / 1400 | 0.80 | 0.20 | 0.50 | 1.00 | 1.00 | 1.00 | 0.70 |
| 50 mm · 9,5±1,5 kg/m³ · RMA 720 / 1400 | 0.70 | 0.15 | 0.40 | 0.85 | 1.00 | 0.95 | 0.60 |
| 50 mm · 9,5±1,5 kg/m³ · 300 mm | 0.95 | 0.40 | 0.90 | 0.85 | 1.00 | 1.00 | 1.00 |
Measured values as a table (4 measurements)
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