Plaster & sprayHighly 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 Big Quattro 49 with Scherff acoustic plaster
Rigiton Big Quattro 49 with Scherff acoustic plaster
PTB reference data
Original description
Rigiton Big Quattro 49 with Scherff acoustic plaster
Material properties
Manufacturer: Rigips GmbH
Thickness: 12.5 mm
Wall distance: 100 mm
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 | 0.40 | 0.80 | 1.00 | 0.85 | 0.70 | 0.55 |
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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 |
|---|---|---|---|---|---|---|---|
| 12,5 mm · 8,5 kg/m^2 · 100 · Verlegung durch Fugenverklebung · quadratische Lochung 12/25 with geschlossenem Randbereich, Lochflächenanteil 22,1% in der gelochten Fläche | 0.70 | 0.39 | 0.79 | 1.00 | 0.85 | 0.71 | 0.55 |
Measured values as a table (1 measurement)
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