FoamHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Herstellerangabe: www.schalltechnik-mm.de
Büro f. Schalltechnik PUR Sinus 30 flexible foam
PUR Sinus 30
PTB reference data
Original description
Büro f. Schalltechnik PUR Sinus 30 flexible foam
Material properties
Manufacturer: Büro f. Schalltechnik
Thickness: 30 mm, 50 mm
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 2 variants
αw
0.68
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.20 | 0.40 | 0.65 | 0.85 | 0.90 | 1.00 |
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| Compare | Value | |
|---|---|---|
| 50 mm | αw0.68 | |
| 30 mm | αw0.49 |
Weight / density: ca. 25-30 kg/m³
Dimensions: 1000 x 500 x 50 mm
