Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: DNA-Tabelle 1968 a 4-3
Bonded mineral fiber panel, fine-pored spray finish, 20 mm
PTB reference data
Original description
Bonded mineral fiber panel, fine-pored spray finish, 20 mm
Material properties
Thickness: 20 mm
Surface weight: 2.8 kg/m²
Surface: Visible surface reinforced with mineral fiber non-woven, fine-pored spray finish
Flow resistance: 0.14 kPa·s/m²
Mounting: spot-bonded to substrate
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.70
Frequency values
αp nach ISO 11654
| f (Hz) | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|
| αp | 0.35 | 0.80 | 0.95 | 0.85 | 0.60 |
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Method (354): Measured