Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Manufacturer data
Value from the PTB table, not verified
Ecophon Master C/gamma glass wool panel
Ecophon – Master C/gamma
PTB reference data
Original description
Ecophon Master C/gamma glass wool panel
Material properties
Manufacturer: Ecophon GmbH
Thickness: 40 mm
Wall distance: 40 mm, 200 mm
Backing: non-woven faced
Surface: surface coating, color-coated edges
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 2 variants
αw
0.20
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.40 | 0.45 | 0.45 | 0.20 | 0.15 | 0.05 |
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| Compare | Value | |
|---|---|---|
| tKh = 40 mm (totale Konstruktionshöhe) | αw0.20 | |
| tKh = 200 mm (totale Konstruktionshöhe) | αw0.20 |
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. | 0.20 | 0.05 | 0.40 | 0.45 | 0.45 | 0.20 | 0.15 | 0.05 |
| 40 mm · ca. 5,5 kg / m² · tKh = 200 mm (totale Konstruktionshöhe) · for gute Akustik and Sprachverständlichkeit, z.B. Schulen, Großraumbüros usw. | 0.20 | 0.20 | 0.40 | 0.30 | 0.30 | 0.25 | 0.15 | 0.10 |
Measured values as a table (2 measurements)
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