GypsumBroadband absorber
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 12 perforated gypsum board
Gyptone Point 12
PTB reference data
Original description
Rigips Gyptone Point 12 perforated gypsum board
Material properties
Manufacturer: Rigips GmbH
Thickness: 0.5 in
Wall distance: 1.8 in, 7.3 in
Surface: round perforated
Measurement data
Sound absorption
Reverberation chamber (ASTM C423 / ISO 354)· 2 variants
NRC
0.55
Frequency values
αp per octave band
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.55 | 0.60 | 0.75 | 0.45 | 0.35 | 0.30 |
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| Compare | Value | |
|---|---|---|
| 185 | NRC0.55 | |
| 45 | NRC0.50 |
NRC: 0.55 (derived from ISO 354 lab data)
Weight / density: 8 kg/m^2
Dimensions: 25 in x25 in
Application: Einlege- and verdeckte Montage, for Arbeiten im Zwischenraum demontierbar
Measured values as a table (2 measurements)
| Build-up | NRC | 125 Hz | 250 Hz | 500 Hz | 1000 Hz | 2000 Hz | 4000 Hz |
|---|---|---|---|---|---|---|---|
| 13 mm · 8 kg/m^2 · 45 · Einlege- and verdeckte Montage, for Arbeiten im Zwischenraum demontierbar · Platte white acrylbeschichtet, streifenweise round gelocht, acoustic fleece rückseitig aufkaschiert | 0.50 | 0.15 | 0.35 | 0.65 | 0.60 | 0.35 | 0.20 |
| 13 mm · 8 kg/m^2 · 185 · Einlege- and verdeckte Montage, for Arbeiten im Zwischenraum demontierbar · Platte white acrylbeschichtet, streifenweise round gelocht, acoustic fleece rückseitig aufkaschiert | 0.55 | 0.55 | 0.60 | 0.75 | 0.45 | 0.35 | 0.30 |
Measured values as a table (2 measurements)
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