Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: H. Lenz, Marktübersicht schallabsorbierende Anordnungen, Ruhr Universität Bochum, 1981, Seite 230
Rigips Rigiphon Alphaglas fiberboard
Rigiphon- Alphaglas- Faserplatte
PTB reference data
Original description
Rigips Rigiphon Alphaglas fiberboard
Material properties
Manufacturer: Rigips GmbH
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.69
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.75 | 0.80 | 0.75 | 0.80 | 0.65 | 0.40 |
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Method (354): Measured