Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: DNA-Tabelle 1968 a 7-5
Mineral fiber honeycomb structure, non-woven faced, white spray-painted
PTB reference data
Original description
Mineral fiber honeycomb structure, non-woven faced, white spray-painted
Material properties
Thickness: 200 mm, 18 mm
Wall distance: 0 mm
Backing: non-woven faced on both sides
Surface: white spray-painted
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.46
Frequency values
αp nach ISO 11654
| f (Hz) | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|
| αp | 0.35 | 0.45 | 0.50 | 0.60 | 0.40 |
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Method (354): Measured