Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Manufacturer data
Value from the PTB table, not verified
Ecophon Master C/alpha glass wool panel with Akutex T surface
Ecophon – Master C/alpha
PTB reference data
Original description
Ecophon Master C/alpha glass wool panel with Akutex T surface
Material properties
Manufacturer: Ecophon GmbH
Thickness: 40 mm
Wall distance: 40 mm, 200 mm
Surface: Akutex T coating, non-woven faced, color-coated edges
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 2 variants
αw
1.00
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.20 | 0.75 | 1.00 | 1.00 | 0.95 | 0.95 |
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| Compare | Value | |
|---|---|---|
| tKh = 40 mm (totale Konstruktionshöhe) | αw1.00 | |
| tKh = 200 mm (totale Konstruktionshöhe) | αw0.90 |
Weight / density: ca. 5,5 kg / m²
Dimensions: 600 x 600 mm, 625 x 625 mm
Application: for gute Akustik and Sprachverständlichkeit, z.B. Schulen, Großraumbüros usw.
Measured values as a table (2 measurements)
| Build-up | αw | 63 Hz | 125 Hz | 250 Hz | 500 Hz | 1000 Hz | 2000 Hz | 4000 Hz |
|---|---|---|---|---|---|---|---|---|
| 40 mm · ca. 5,5 kg / m² · tKh = 40 mm (totale Konstruktionshöhe) · for gute Akustik and Sprachverständlichkeit, z.B. Schulen, Großraumbüros usw. · Akutex T | 1.00 | – | 0.20 | 0.75 | 1.00 | 1.00 | 0.95 | 0.95 |
| 40 mm · ca. 5,5 kg / m² · tKh = 200 mm (totale Konstruktionshöhe) · for gute Akustik and Sprachverständlichkeit, z.B. Schulen, Großraumbüros usw. · Akutex T | 0.90 | 0.20 | 0.50 | 0.75 | 0.80 | 0.95 | 0.95 | 0.95 |
Measured values as a table (2 measurements)
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