FoamHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Manufacturer's product sheet
Value from the PTB table, not verified
pinta acoustic ACOUSTIC PANEL melamine foam, willtec / non-woven
ACOUSTIC PANEL
PTB reference data
Original description
pinta acoustic ACOUSTIC PANEL melamine foam, willtec / non-woven
Material properties
Manufacturer: pinta acoustic gmbh
Thickness: 0.4 in, 0.8 in, 1.2 in, 1.6 in, 2 in, 2.4 in, 2.8 in, 3.1 in, 3.5 in, 3.9 in
Wall distance: 0 in
Backing: aluminum composite foil
Surface: non-woven facing
Measurement data
Sound absorption
Reverberation chamber (ASTM C423 / ISO 354)· 10 variants
NRC
1.05
Frequency values
αp per octave band
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.55 | 1.00 | 1.00 | 0.95 | 0.95 | 0.90 |
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| Compare | Value | |
|---|---|---|
| 3.9 in | NRC1.05 | |
| 3.5 in | NRC1.00 | |
| 3.1 in | NRC1.05 | |
| 2.8 in | NRC0.95 | |
| 2.4 in | NRC0.95 | |
| 2 in | NRC0.90 | |
| 1.6 in | NRC0.85 | |
| 1.2 in | NRC0.75 | |
| 0.8 in | NRC0.65 | |
| 0.4 in | NRC0.45 |
NRC: 1.05 (derived from ISO 354 lab data)
Weight / density: 9,5±1,5 kg/m³
Dimensions: 1250 x 25 in
Distance: 0
Measured values as a table (10 measurements)
| Build-up | NRC | 100 Hz | 125 Hz | 160 Hz | 200 Hz | 250 Hz | 315 Hz | 400 Hz | 500 Hz | 630 Hz | 800 Hz | 1000 Hz | 1250 Hz | 1600 Hz | 2000 Hz | 2500 Hz | 3150 Hz | 4000 Hz | 5000 Hz |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 100 mm · 9,5±1,5 kg/m³ · 0 | 1.05 | 0.28 | 0.68 | 0.74 | 0.87 | 1.07 | 1.21 | 1.22 | 1.08 | 1.01 | 0.98 | 0.99 | 0.91 | 0.92 | 0.97 | 0.94 | 0.89 | 0.89 | 0.94 |
| 90 mm · 9,5±1,5 kg/m³ · 0 | 1.00 | 0.18 | 0.60 | 0.70 | 0.95 | 1.04 | 1.10 | 1.06 | 1.09 | 1.07 | 1.03 | 1.02 | 1.00 | 0.93 | 0.92 | 0.94 | 0.92 | 0.89 | 0.97 |
| 80 mm · 9,5±1,5 kg/m³ · 0 | 1.05 | 0.20 | 0.53 | 0.53 | 0.74 | 1.08 | 1.15 | 1.08 | 1.11 | 1.18 | 0.99 | 1.05 | 1.00 | 0.95 | 0.97 | 0.95 | 0.94 | 1.00 | 0.97 |
| 70 mm · 9,5±1,5 kg/m³ · 0 | 0.95 | 0.22 | 0.53 | 0.56 | 0.68 | 0.72 | 1.08 | 1.06 | 1.11 | 1.10 | 1.03 | 1.08 | 0.95 | 0.90 | 0.94 | 0.93 | 0.95 | 0.96 | 1.00 |
| 60 mm · 9,5±1,5 kg/m³ · 0 | 0.95 | 0.27 | 0.31 | 0.38 | 0.63 | 0.75 | 0.84 | 1.01 | 1.00 | 1.02 | 1.05 | 1.04 | 0.93 | 0.92 | 0.95 | 0.88 | 0.87 | 0.90 | 0.91 |
| 50 mm · 9,5±1,5 kg/m³ · 0 | 0.90 | 0.17 | 0.31 | 0.36 | 0.43 | 0.58 | 0.78 | 0.84 | 1.00 | 1.02 | 0.99 | 1.03 | 0.96 | 0.98 | 0.93 | 0.86 | 0.86 | 0.90 | 0.96 |
| 40 mm · 9,5±1,5 kg/m³ · 0 | 0.85 | 0.17 | 0.31 | 0.32 | 0.41 | 0.52 | 0.77 | 0.80 | 0.94 | 0.99 | 1.00 | 1.04 | 1.02 | 0.91 | 0.91 | 0.85 | 0.82 | 0.87 | 0.91 |
| 30 mm · 9,5±1,5 kg/m³ · 0 | 0.75 | 0.08 | 0.18 | 0.21 | 0.31 | 0.46 | 0.55 | 0.62 | 0.67 | 0.79 | 0.86 | 0.90 | 0.98 | 0.97 | 0.97 | 0.88 | 0.88 | 0.81 | 0.84 |
| 20 mm · 9,5±1,5 kg/m³ · 0 | 0.65 | 0.12 | 0.11 | 0.17 | 0.25 | 0.29 | 0.45 | 0.51 | 0.61 | 0.63 | 0.75 | 0.76 | 0.88 | 0.88 | 0.93 | 0.95 | 0.89 | 0.84 | 0.82 |
| 10 mm · 9,5±1,5 kg/m³ · 0 | 0.45 | 0.13 | 0.13 | 0.13 | 0.10 | 0.15 | 0.23 | 0.32 | 0.35 | 0.42 | 0.49 | 0.53 | 0.58 | 0.67 | 0.75 | 0.86 | 0.85 | 0.82 | 0.81 |
Measured values as a table (10 measurements)
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