PlasticBroadband absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Produktblatt des Herstellers
Microsorber polycarbonate roll absorber, micro-perforated
Microsorber
PTB reference data
Original description
Microsorber polycarbonate roll absorber, micro-perforated
Material properties
Manufacturer: Kaefer Isoliertechnik
Thickness: 0.105 mm
Wall distance: 30 mm, 50 mm, 100 mm
Hole size: 0.21 mm
Up to fire class: B1
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 5 variants
αw
0.49
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.05 | 0.20 | 0.55 | 0.75 | 0.80 | 0.60 |
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| Compare | Value | |
|---|---|---|
| 50 mm | αw0.49 | |
| 100 mm | αw0.49 | |
| 100 mm | αw0.36 | |
| 50 mm | αw0.30 | |
| 30 mm | αw0.25 |
Weight / density: 0,14 kg / m"
Dimensions: width: 1000 and 1200 mm