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 RGK Line1 slotted gypsum ceiling tile
RGK Line1
PTB reference data
Original description
Rigips RGK Line1 slotted gypsum ceiling tile
Material properties
Manufacturer: Rigips GmbH
Thickness: 12.5 mm
Wall distance: 45 mm, 185 mm
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 2 variants
αw
0.65
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.45 | 0.70 | 0.75 | 0.65 | 0.60 | 0.55 |
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| Compare | Value | |
|---|---|---|
| 185 | αw0.65 | |
| 45 | αw0.60 |
Weight / density: 8 kg/m^2
Dimensions: 625 mm x625 mm
Application: Schraubmontage
Measured values as a table (2 measurements)
| Build-up | αw | 125 Hz | 250 Hz | 500 Hz | 1000 Hz | 2000 Hz | 4000 Hz |
|---|---|---|---|---|---|---|---|
| 12,5 mm · 8 kg/m^2 · 45 · Schraubmontage · streifenweise geschlitzte Platte without Farbbeschichtung | 0.60 | 0.15 | 0.35 | 0.65 | 0.80 | 0.65 | 0.45 |
| 12,5 mm · 8 kg/m^2 · 185 · Schraubmontage · streifenweise geschlitzte Platte without Farbbeschichtung | 0.65 | 0.45 | 0.70 | 0.75 | 0.65 | 0.60 | 0.55 |
Measured values as a table (2 measurements)
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