Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Produktblatt des Herstellers
Renz BKA Type 1 broadband compact absorber
BKA – Type 1
PTB reference data
Original description
Renz BKA Type 1 broadband compact absorber
Material properties
Manufacturer: renz GmbH System-Komplett-Ausbau
Thickness: 100 mm
Surface: perforated metal
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 2 variants
αw
1.12
Frequency values
αp per ISO 11654
| f (Hz) | 63 | 125 | 250 | 500 | 1k | 2k |
|---|---|---|---|---|---|---|
| αp | 0.75 | 1.05 | 1.20 | 1.20 | 1.25 | 1.20 |
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| Compare | Value |
|---|---|
| αw1.12 | |
| αw1.07 |
Dimensions: 1500 x 1000 mm