WoodHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Manufacturer data
Value from the PTB table, not verified
MAkustik MA10 sandwich panel with mineral wool and frame
Type 1.3/5 – Makustik MA10 sandwich panel with frame
PTB reference data
Original description
MAkustik MA10 sandwich panel with mineral wool and frame
Material properties
Manufacturer: MAkustik
Thickness: 0.7 in
Wall distance: 0 in
Perforation: 5 %
Hole size: 0.1 in
Backing: 0.6 in mineral wool
Measurement data
Sound absorption
Reverberation chamber (ASTM C423 / ISO 354)
NRC
0.50
derived from ISO 354 lab data
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.05 | 0.15 | 0.40 | 0.90 | 0.65 | 0.25 |
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Value from the PTB table, not verified
NRC: 0.50 (derived from ISO 354 lab data)
Measured values as a table (1 measurement)
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 19 mm · 0 | 0.50 | 0.02 | 0.03 | 0.07 | 0.08 | 0.11 | 0.19 | 0.26 | 0.42 | 0.54 | 0.75 | 0.91 | 0.97 | 0.80 | 0.63 | 0.47 | 0.36 | 0.26 | 0.19 |
Measured values as a table (1 measurement)
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