FoamHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Manufacturer's product sheet
Value from the PTB table, not verified
pinta acoustic Absorber LINEAR melamine foam
Absorber LINEAR
PTB reference data
Original description
pinta acoustic Absorber LINEAR melamine foam
Material properties
Manufacturer: pinta acoustic gmbh
Thickness: 50 mm, 20 mm, 80 mm, 10 mm, 47 mm, 35 mm
Wall distance: RMA 100 / 0, RMA 150 / 0, RMA 200 / 0, 0 mm
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 9 variants
αw
1.00
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.35 | 0.90 | 1.00 | 0.95 | 0.95 | 0.95 |
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| Compare | Value | ||
|---|---|---|---|
| 80 mm | 0 | αw1.00 | |
| 50 mm | RMA 100 / 0 | αw0.90 | |
| 50 mm | RMA 150 / 0 | αw0.85 | |
| 50 mm | RMA 200 / 0 | αw0.85 | |
| 50 mm | 0 | αw0.85 | |
| 47 mm | 0 | αw0.75 | |
| 35 mm | 0 | αw0.60 | |
| 20 mm | 0 | αw0.45 | |
| 10 mm | 0 | αw0.30 |
Weight / density: 9,5±1,5 kg/m³
Dimensions: 1250 x 1250 mm
Measured values as a table (9 measurements)
| Build-up | αw | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 50 mm · 9,5±1,5 kg/m³ · RMA 100 / 0 | 0.90 | 0.27 | 0.31 | 0.36 | 0.55 | 0.65 | 0.80 | 0.79 | 0.84 | 0.93 | 0.97 | 1.00 | 0.95 | 1.00 | 1.05 | 1.06 | 1.06 | 0.97 | 0.97 |
| 50 mm · 9,5±1,5 kg/m³ · RMA 150 / 0 | 0.85 | 0.30 | 0.32 | 0.33 | 0.49 | 0.61 | 0.75 | 0.71 | 0.83 | 0.89 | 0.91 | 0.97 | 1.03 | 1.06 | 1.07 | 1.02 | 1.02 | 0.97 | 0.95 |
| 50 mm · 9,5±1,5 kg/m³ · RMA 200 / 0 | 0.85 | 0.26 | 0.32 | 0.37 | 0.56 | 0.65 | 0.65 | 0.75 | 0.84 | 0.84 | 0.95 | 1.01 | 1.13 | 1.10 | 1.12 | 1.07 | 1.08 | 1.01 | 0.99 |
| 20 mm · 9,5±1,5 kg/m³ · 0 | 0.45 | 0.10 | 0.16 | 0.16 | 0.09 | 0.21 | 0.24 | 0.26 | 0.40 | 0.47 | 0.53 | 0.66 | 0.71 | 0.70 | 0.77 | 0.84 | 0.79 | 0.89 | 0.88 |
| 50 mm · 9,5±1,5 kg/m³ · 0 | 0.85 | 0.14 | 0.29 | 0.43 | 0.47 | 0.48 | 0.69 | 0.80 | 0.97 | 0.89 | 0.96 | 0.92 | 0.89 | 0.86 | 0.86 | 0.91 | 0.88 | 0.89 | 0.95 |
| 80 mm · 9,5±1,5 kg/m³ · 0 | 1.00 | 0.21 | 0.31 | 0.52 | 0.64 | 0.98 | 1.03 | 1.02 | 1.01 | 0.99 | 0.99 | 0.96 | 0.97 | 0.96 | 0.96 | 1.00 | 0.94 | 0.95 | 0.99 |
| 10 mm · 9,5±1,5 kg/m³ · 0 | 0.30 | 0.05 | 0.07 | 0.06 | 0.05 | 0.07 | 0.11 | 0.14 | 0.24 | 0.26 | 0.33 | 0.40 | 0.46 | 0.52 | 0.59 | 0.65 | 0.70 | 0.69 | 0.71 |
| 47 mm · 9,5±1,5 kg/m³ · 0 | 0.75 | 0.09 | 0.14 | 0.19 | 0.27 | 0.48 | 0.60 | 0.71 | 0.79 | 0.90 | 0.97 | 1.03 | 1.06 | 1.00 | 1.05 | 1.05 | 1.09 | 1.07 | 1.06 |
| 35 mm · 9,5±1,5 kg/m³ · 0 | 0.60 | 0.08 | 0.14 | 0.20 | 0.18 | 0.35 | 0.44 | 0.55 | 0.67 | 0.76 | 0.79 | 0.82 | 0.87 | 0.87 | 0.89 | 0.96 | 0.87 | 0.89 | 0.97 |
Measured values as a table (9 measurements)
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