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 Quattro 21, square-hole perforated gypsum board
Gyptone Quattro 21
PTB reference data
Original description
Rigips Gyptone Quattro 21, square-hole perforated gypsum board
Material properties
Manufacturer: Rigips GmbH
Thickness: 13 mm
Wall distance: 45 mm, 185 mm
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 2 variants
αw
0.50
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.15 | 0.35 | 0.65 | 0.80 | 0.50 | 0.35 |
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| Compare | Value | |
|---|---|---|
| 45 | αw0.50 | |
| 185 | αw0.50 |
Weight / density: 8 kg/m^2
Dimensions: 625 mm x625 mm
Application: Einlege- and verdeckte Montage, for Arbeiten im Zwischenraum demontierbar
Measured values as a table (2 measurements)
| Build-up | αw | 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 quadratisch gelocht, dichte strips, acoustic fleece rückseitig aufkaschiert | 0.50 | 0.15 | 0.35 | 0.65 | 0.80 | 0.50 | 0.35 |
| 13 mm · 8 kg/m^2 · 185 · Einlege- and verdeckte Montage, for Arbeiten im Zwischenraum demontierbar · Platte white acrylbeschichtet, streifenweise quadratisch gelocht, dichte strips, acoustic fleece rückseitig aufkaschiert | 0.50 | 0.55 | 0.65 | 0.85 | 0.60 | 0.45 | 0.40 |
Measured values as a table (2 measurements)
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