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 20/46
Rigiton 20/46
PTB reference data
Original description
Rigips Rigiton perforated gypsum board 20/46
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
0.55
Frequency values
αp per octave band
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.10 | 0.30 | 0.70 | 0.85 | 0.40 | 0.45 |
Create a permanent free account — Access frequency bands, variants and export.
Free. No password required.
| Compare | Value | |
|---|---|---|
| 50 | NRC0.55 | |
| 200 | NRC0.65 |
NRC: 0.55 (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, Durchmesser 20 mm, Lochabstand 46 mm, Lochflächenanteil 14,8% | 0.55 | 0.08 | 0.29 | 0.70 | 0.87 | 0.42 | 0.45 |
| 200 · Lochung round, regelmäßig, Durchmesser 20 mm, Lochabstand 46 mm, Lochflächenanteil 14,8% | 0.65 | 0.41 | 0.76 | 0.88 | 0.55 | 0.40 | 0.26 |
Measured values as a table (2 measurements)
Access frequency bands, variants and export. Create a permanent free account
Last updated: