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
Rigips Rigiton 12/25 perforated gypsum board, spacing 200 mm
Rigiton 12/25
PTB reference data
Original description
Rigips Rigiton 12/25 perforated gypsum board, spacing 200 mm
Material properties
Manufacturer: Rigips GmbH
Wall distance: 200 mm
Perforation: 12/25
Backing: 50 mm mineral wool
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.70
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.60 | 0.95 | 0.95 | 0.85 | 0.70 | 0.50 |
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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, Durchmesser 12 mm, Lochabstand 25 mm, Lochflächenanteil 18,1% | 0.70 | 0.59 | 0.97 | 0.96 | 0.85 | 0.71 | 0.48 |
Measured values as a table (1 measurement)
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