MetalHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Produktblatt des Herstellers
Galvanized expanded metal with cassette insert (5 mm), closed ceiling
SPORTSLINE V
PTB reference data
Original description
Galvanized expanded metal with cassette insert (5 mm), closed ceiling
Material properties
Manufacturer: pinta acoustic gmbh
Thickness: 5 mm
Wall distance: 100 mm, 200 mm, 300 mm, 500 mm
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 4 variants
αw
0.42
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.30 | 0.40 | 0.40 | 0.40 | 0.45 | 0.55 |
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| Compare | Value | |
|---|---|---|
| 500 mm | αw0.42 | |
| 300 mm | αw0.37 | |
| 200 mm | αw0.33 | |
| 100 mm | αw0.27 |
Weight / density: 5,9 - 8,3 kg/m²
Dimensions: 2500 x 1250 mm