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 11 gypsum tile, round-hole perforation
Gyptone Point 11, RGK Point 11
PTB reference data
Original description
Rigips Gyptone Point 11 gypsum tile, round-hole perforation
Material properties
Manufacturer: Rigips GmbH
Thickness: 0.5 in
Wall distance: 1.8 in
Perforation: round-hole perforation
Backing: acoustic non-woven faced on back
Measurement data
Sound absorption
Reverberation chamber (ASTM C423 / ISO 354)· 2 variants
NRC
0.80
Frequency values
αp per octave band
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.30 | 0.65 | 1.00 | 0.85 | 0.60 | 0.55 |
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| Compare | Value |
|---|---|
| NRC0.80 | |
| NRC0.55 |
NRC: 0.80 (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
Distance: 45
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, round gelocht, acoustic fleece rückseitig aufkaschiert | 0.55 | 0.10 | 0.25 | 0.65 | 0.85 | 0.50 | 0.35 |
| 13 mm · 8 kg/m^2 · 45 · Einlege- and verdeckte Montage, for Arbeiten im Zwischenraum demontierbar · Platte white acrylbeschichtet, round gelocht, acoustic fleece rückseitig aufkaschiert | 0.80 | 0.30 | 0.65 | 1.00 | 0.85 | 0.60 | 0.55 |
Measured values as a table (2 measurements)
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