GypsumHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Manufacturer data online at www.rigips.de, as of April 01
Value from the PTB table, not verified
Rigips Gyptone Point 14 perforated gypsum cassette
Gyptone Point 14, RGK Point 14
PTB reference data
Original description
Rigips Gyptone Point 14 perforated gypsum cassette
Material properties
Manufacturer: Rigips GmbH
Thickness: 0.5 in
Wall distance: 7.3 in
Measurement data
Sound absorption
Reverberation chamber (ASTM C423 / ISO 354)
NRC
0.65
derived from ISO 354 lab data
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.50 | 0.75 | 0.85 | 0.50 | 0.40 | 0.30 |
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Value from the PTB table, not verified
NRC: 0.65 (derived from ISO 354 lab data)
Measured values as a table (1 measurement)
| Build-up | NRC | 125 Hz | 250 Hz | 500 Hz | 1000 Hz | 2000 Hz | 4000 Hz |
|---|---|---|---|---|---|---|---|
| 13 mm · 8 kg/m^2 · 185 · Einlege- and verdeckte Montage, for Arbeiten im Zwischenraum demontierbar · Platte white acrylbeschichtet, im Quadratmuster round gelocht, acoustic fleece rückseitig aufkaschiert | 0.65 | 0.50 | 0.75 | 0.85 | 0.50 | 0.40 | 0.30 |
Measured values as a table (1 measurement)
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