Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Manufacturer data
Value from the PTB table, not verified
Ecophon Flexiform glass wool fiber absorber with Akutex T
Ecophon – Flexiform
PTB reference data
Original description
Ecophon Flexiform glass wool fiber absorber with Akutex T
Material properties
Manufacturer: Ecophon GmbH
Thickness: 30 mm
Wall distance: 200 mm, 400 mm
Surface: Akutex T coated
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 2 variants
αw
0.90
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.65 | 0.90 | 0.85 | 0.90 | 0.90 | 0.75 |
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| Compare | Value | |
|---|---|---|
| tKh = 400 mm (totale Konstruktionshöhe) | αw0.90 | |
| tKh = 200 mm (totale Konstruktionshöhe) | αw0.85 |
Weight / density: ca. 3 kg / m² incl. Unterkonstruktion
Dimensions: 1200 x 600 mm, 1600 x 600 mm, 2000 x 600 mm, 2400 x 600 mm
Application: Deckenelement, wird with Hilfe von vorgeformten T-Profilen in die konvexe or konkave Form gebracht (Mindestradius 200 mm), for spezielle Designs or Anpaßarbeiten
Measured values as a table (2 measurements)
| Build-up | αw | 63 Hz | 125 Hz | 250 Hz | 500 Hz | 1000 Hz | 2000 Hz | 4000 Hz |
|---|---|---|---|---|---|---|---|---|
| 30 mm · ca. 3 kg / m² incl. Unterkonstruktion · tKh = 400 mm (totale Konstruktionshöhe) · Deckenelement, wird with Hilfe von vorgeformten T-Profilen in die konvexe or konkave Form gebracht (Mindestradius 200 mm), for spezielle Designs or Anpaßarbeiten · Akutex T | 0.90 | 0.30 | 0.65 | 0.90 | 0.85 | 0.90 | 0.90 | 0.75 |
| 30 mm · ca. 3 kg / m² incl. Unterkonstruktion · tKh = 200 mm (totale Konstruktionshöhe) · Deckenelement, wird with Hilfe von vorgeformten T-Profilen in die konvexe or konkave Form gebracht (Mindestradius 200 mm), for spezielle Designs or Anpaßarbeiten · Akutex T | 0.85 | 0.15 | 0.45 | 0.90 | 0.95 | 0.85 | 0.90 | 0.70 |
Measured values as a table (2 measurements)
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