Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Manufacturer's product sheet
Value from the PTB table, not verified
Ecophon Wall Panel C Super G glass wool fiber absorber
Ecophon – Wall Panel C Super G
PTB reference data
Original description
Ecophon Wall Panel C Super G glass wool fiber absorber
Material properties
Manufacturer: Ecophon GmbH
Thickness: 1.6 in
Wall distance: 1.6 in
Surface: extra strong glass fiber fabric
Application: Wall
Measurement data
Sound absorption
Reverberation chamber (ASTM C423 / ISO 354)
NRC
0.95
derived from ISO 354 lab data
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.20 | 0.70 | 1.00 | 1.00 | 1.00 | 0.90 |
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Value from the PTB table, not verified
NRC: 0.95 (derived from ISO 354 lab data)
Measured values as a table (1 measurement)
| Build-up | NRC | 125 Hz | 250 Hz | 500 Hz | 1000 Hz | 2000 Hz | 4000 Hz |
|---|---|---|---|---|---|---|---|
| 40 mm · ca. 5 kg / m² incl. Unterkonstruktion · tKh = 40 mm (totale Konstruktionshöhe) · Alternative or Ergänzung zu Deckenabsorbern. Besonders in größeren Räumen kann on diese Weise das sogenannte Flatterecho vermieden werden. Vertikale Paneelstöße bilden dezente Fase · verstärktes Glasfasergewebe | 0.95 | 0.20 | 0.70 | 1.00 | 1.00 | 1.00 | 0.90 |
Measured values as a table (1 measurement)
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