GlassHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Produktblatt des Herstellers
pinta acoustic phonestop expanded glass granulate element
phonestop
PTB reference data
Original description
pinta acoustic phonestop expanded glass granulate element
Material properties
Manufacturer: pinta acoustic gmbh
Thickness: 25 mm
Wall distance: 300 mm, 200 mm, 100 mm
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 3 variants
αw
0.67
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.45 | 0.55 | 0.60 | 0.75 | 0.80 | 0.85 |
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| Compare | Value | |
|---|---|---|
| 300 mm | αw0.67 | |
| 200 mm | αw0.66 | |
| 100 mm | αw0.65 |
Weight / density: 270 kg/m³ ± 10%
Dimensions: 618 x 618 mm