Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: H. Lenz, Marktübersicht schallabsorbierende Anordnungen, Ruhr Universität Bochum, 1981, Seite 231
Value from the PTB table, not verified
Rigiphon MF mineral fiber absorber
Rigiphon – MF
PTB reference data
Original description
Rigiphon MF mineral fiber absorber
Material properties
Manufacturer: Rigips GmbH
Thickness: 0.6 in
Surface: fine grained
Up to fire class: at least not easily flammable
Measurement data
Sound absorption
Reverberation chamber (ASTM C423 / ISO 354)
NRC
0.60
derived from ISO 354 lab data
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.30 | 0.40 | 0.50 | 0.65 | 0.80 | 0.85 |
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Value from the PTB table, not verified
NRC: 0.60 (derived from ISO 354 lab data)
Measured values as a table (1 measurement)
| Build-up | NRC | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 15 mm · ca 6 kg / m² · ? · fein genarbt, weiße Oberflächenbeschichtung | 0.60 | 0.30 | 0.33 | 0.37 | 0.39 | 0.41 | 0.43 | 0.45 | 0.55 | 0.60 | 0.67 | 0.73 | 0.79 | 0.82 | 0.84 | 0.86 | 0.88 |
Measured values as a table (1 measurement)
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