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 gypsum board 8/12-36
Rigiton 8/12-36
PTB reference data
Original description
Rigips Rigiton perforated gypsum board 8/12-36
Material properties
Manufacturer: Rigips GmbH
Wall distance: 2 in, 7.9 in
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 | 0.10 | 0.35 | 0.70 | 0.90 | 0.55 | 0.45 |
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| Compare | Value | |
|---|---|---|
| 50 | NRC0.60 | |
| 200 | NRC0.70 |
NRC: 0.60 (derived from ISO 354 lab data)
Measured values as a table (2 measurements)
| Build-up | NRC | 125 Hz | 250 Hz | 500 Hz | 1000 Hz | 2000 Hz | 4000 Hz |
|---|---|---|---|---|---|---|---|
| 50 · Lochung round, regelmäßig verteilt, versetzt, Durchmesser 8 mm and 12 mm, Lochabstand 36 mm, Lochflächenanteil 12,6% | 0.60 | 0.11 | 0.33 | 0.68 | 0.88 | 0.55 | 0.43 |
| 200 · Lochung round, regelmäßig verteilt, versetzt, Durchmesser 8 mm and 12 mm, Lochabstand 36 mm, Lochflächenanteil 12,6% | 0.70 | 0.44 | 0.74 | 0.89 | 0.59 | 0.49 | 0.35 |
Measured values as a table (2 measurements)
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