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 perforated panel 8-15-20 super with mineral wool
Rigiton perforated panel 8-15-20 super
PTB reference data
Original description
Rigips Rigiton perforated panel 8-15-20 super with mineral wool
Material properties
Manufacturer: Rigips GmbH
Thickness: 0.5 in
Wall distance: 7.9 in
Perforation: 8-15-20
Backing: 2 in mineral wool
Measurement data
Sound absorption
Reverberation chamber (ASTM C423 / ISO 354)
NRC
0.70
derived from ISO 354 lab data
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.55 | 0.85 | 0.80 | 0.70 | 0.45 | 0.30 |
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Value from the PTB table, not verified
NRC: 0.70 (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 |
|---|---|---|---|---|---|---|---|
| 12,5 mm · 10 kg/m^2 · 200 · Lochdurchlaufende Verlegung durch Fugenverklebung · Lochung round, unregelmäßig verteilt, Durchmesser 8 mm, 15 mm and 20 mm, Lochflächenanteil ca. 10% | 0.70 | 0.57 | 0.84 | 0.81 | 0.71 | 0.45 | 0.28 |
Measured values as a table (1 measurement)
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