GypsumHighly absorbent
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
Rigiton 8/12-36 perforated gypsum board, 50 mm mineral wool backing
Rigiton 8/12-36
PTB reference data
Original description
Rigiton 8/12-36 perforated gypsum board, 50 mm mineral wool backing
Material properties
Manufacturer: Rigips GmbH
Wall distance: 200 mm
Perforation: 8/12-36
Backing: 50 mm mineral wool
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.55
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.55 | 0.90 | 0.90 | 0.80 | 0.60 | 0.35 |
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Value from the PTB table, not verified
Measured values as a table (1 measurement)
| Build-up | αw | 125 Hz | 250 Hz | 500 Hz | 1000 Hz | 2000 Hz | 4000 Hz |
|---|---|---|---|---|---|---|---|
| 200 · Lochung round, regelmäßig verteilt, versetzt, Durchmesser 8 mm and 12 mm, Lochabstand 36 mm, Lochflächenanteil 12,6% | 0.55 | 0.57 | 0.91 | 0.91 | 0.80 | 0.60 | 0.37 |
Measured values as a table (1 measurement)
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