Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: H. Lenz, Marktübersicht schallabsorbierende Anordnungen, Ruhr Universität Bochum, 1981, Seite 230
Value from the PTB table, not verified
Rigips Rigiphon Alphaglas fiberboard, pyramid shape
Rigiphon- Alphaglas- Faserplatte
PTB reference data
Original description
Rigips Rigiphon Alphaglas fiberboard, pyramid shape
Material properties
Manufacturer: Rigips GmbH
Thickness: 50 mm (height), 5 mm (panel thickness)
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.55
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.55 | 0.50 | 0.45 | 0.55 | 0.60 | 0.65 |
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Value from the PTB table, not verified
Measured values as a table (1 measurement)
| Build-up | αw | 125 Hz | 160 Hz | 200 Hz | 250 Hz | 315 Hz | 400 Hz | 500 Hz | 630 Hz | 800 Hz | 1000 Hz | 1250 Hz | 1600 Hz | 2000 Hz | 2500 Hz | 3150 Hz | 4000 Hz |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Height 50 mm, Plattendicke 5 mm · ? · Pyramide | 0.55 | 0.53 | 0.53 | 0.53 | 0.53 | 0.50 | 0.47 | 0.45 | 0.46 | 0.50 | 0.53 | 0.57 | 0.60 | 0.61 | 0.63 | 0.64 | 0.67 |
Measured values as a table (1 measurement)
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