Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Produktblatt des Herstellers
renz HLA Type 1 high-performance compact absorber
HLA – Type 1
PTB reference data
Original description
renz HLA Type 1 high-performance compact absorber
Material properties
Manufacturer: renz GmbH System-Komplett-Ausbau
Thickness: 130 mm
Backing: Non-woven, damper
Surface: Perforated metal
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
1.11
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.45 | 1.10 | 1.35 | 1.30 | 1.25 | 1.20 |
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Method (354): Measured