Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Manufacturer data
Value from the PTB table, not verified
Ecophon Hygiene Protec Baffle, glass wool fiber absorber
Ecophon – Hygiene Protec Baffle center distance 600
PTB reference data
Original description
Ecophon Hygiene Protec Baffle, glass wool fiber absorber
Material properties
Manufacturer: Ecophon GmbH
Thickness: 2 in
Wall distance: 31 in
Surface: reinforced color coating Akutex T
Application: baffle
Mounting: sub-frame made of painted galvanized steel
Measurement data
Sound absorption
Reverberation chamber (ASTM C423 / ISO 354)
NRC
0.75
derived from ISO 354 lab data
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.40 | 0.40 | 0.75 | 0.90 | 0.85 | 0.80 |
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Value from the PTB table, not verified
NRC: 0.75 (derived from ISO 354 lab data)
Measured values as a table (1 measurement)
| Build-up | NRC | 63 Hz | 125 Hz | 250 Hz | 500 Hz | 1000 Hz | 2000 Hz | 4000 Hz |
|---|---|---|---|---|---|---|---|---|
| 50 mm · ca.3 kg pro baffle · tKh = 800 mm (totale Konstruktionshöhe) · Für Bereiche with relativ geringer Verschmutzung, überall dort, wo sämtliche Flächen des Absorbers gereinigt werden müssen, kann beidseitig feucht gereinigt werden · Akutex T verstärkt | 0.75 | 0.15 | 0.40 | 0.40 | 0.75 | 0.90 | 0.85 | 0.80 |
Measured values as a table (1 measurement)
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