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 Rigiton Big Quattro 41 perforated gypsum board, spacing 45/185 mm
Rigiton Big Quattro 41
PTB reference data
Original description
Rigips Rigiton Big Quattro 41 perforated gypsum board, spacing 45/185 mm
Material properties
Manufacturer: Rigips GmbH
Thickness: 0.5 in
Wall distance: 1.8 in, 7.3 in
Perforation: square-hole perforation
Measurement data
Sound absorption
Reverberation chamber (ASTM C423 / ISO 354)· 2 variants
NRC
0.60
Frequency values
αp per octave band
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.20 | 0.35 | 0.65 | 0.80 | 0.65 | 0.55 |
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| Compare | Value | |
|---|---|---|
| 45 | NRC0.60 | |
| 185 | NRC0.70 |
NRC: 0.60 (derived from ISO 354 lab data)
Weight / density: 7,6 kg/m^2
Dimensions: 94 in x 47 in
Application: Verlegung durch Fugenverklebung
Measured values as a table (2 measurements)
| Build-up | NRC | 125 Hz | 250 Hz | 500 Hz | 1000 Hz | 2000 Hz | 4000 Hz |
|---|---|---|---|---|---|---|---|
| 12,5 mm · 7,6 kg/m^2 · 45 · Verlegung durch Fugenverklebung · Lochung quadratisch,12 mm x 12 mm, Lochabstand 25 mm, Lochflächenanteil in der gelochten Fläche 22,1% regelmäßig, with geschlossenem Randbereich | 0.60 | 0.20 | 0.35 | 0.65 | 0.80 | 0.65 | 0.55 |
| 12,5 mm · 7,6 kg/m^2 · 185 · Verlegung durch Fugenverklebung · Lochung quadratisch,12 mm x 12 mm, Lochabstand 25 mm, Lochflächenanteil in der gelochten Fläche 22,1% regelmäßig, with geschlossenem Randbereich | 0.70 | 0.50 | 0.70 | 0.80 | 0.70 | 0.60 | 0.55 |
Measured values as a table (2 measurements)
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