WoodHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Herstellerangabe im Internet unter http://www.bau-online.at/kataloge/123240/akustik/absorb_t.htm, 02.02.2001
Isolith BAB® sound absorber panel per ÖNORM B 6021
BAB® sound absorber panel per ÖNORM B 6021, highly absorbent
PTB reference data
Original description
Isolith BAB® sound absorber panel per ÖNORM B 6021
Material properties
Manufacturer: Isolith M. Hattinger Ges.m.b.H.
Thickness: 50 mm, 75 mm, 100 mm
Backing: approx. 8 mm cement-bound wood wool coating
Up to fire class: non-combustible stone wool core
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 3 variants
αw
0.86
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.50 | 0.80 | 1.05 | 1.00 | 1.05 | 0.90 |
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| Compare | Value | |
|---|---|---|
| 75 mm | αw0.86 | |
| 50 mm | αw0.81 | |
| 100 mm | αw0.78 |
Application: installation with Hilfe eines Abhängsystems