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
Rigiton 8-15-20 perforated gypsum board with acoustic non-woven
Rigiton perforated board with acoustic non-woven 8-15-20
PTB reference data
Original description
Rigiton 8-15-20 perforated gypsum board with acoustic non-woven
Material properties
Manufacturer: Rigips GmbH
Thickness: 0.5 in
Wall distance: 2 in, 7.9 in
Perforation: 8-15-20
Backing: acoustic non-woven
Measurement data
Sound absorption
Reverberation chamber (ASTM C423 / ISO 354)· 2 variants
NRC
0.45
Frequency values
αp per octave band
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.15 | 0.40 | 0.70 | 0.55 | 0.25 | 0.05 |
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| Compare | Value | |
|---|---|---|
| 50 | NRC0.45 | |
| 200 | NRC0.50 |
NRC: 0.45 (derived from ISO 354 lab data)
Weight / density: 10 kg/m^2
Dimensions: 79 in x 47 in
Application: Lochdurchlaufende Verlegung durch Fugenverklebung
Measured values as a table (2 measurements)
| Build-up | NRC | 125 Hz | 250 Hz | 500 Hz | 1000 Hz | 2000 Hz | 4000 Hz |
|---|---|---|---|---|---|---|---|
| 12,5 mm · 10 kg/m^2 · 50 · Lochdurchlaufende Verlegung durch Fugenverklebung · Lochung round, unregelmäßig verteilt, Durchmesser 8 mm, 15 mm and 20 mm, Lochflächenanteil ca. 6% | 0.45 | 0.13 | 0.40 | 0.68 | 0.55 | 0.23 | 0.06 |
| 12,5 mm · 10 kg/m^2 · 200 · Lochdurchlaufende Verlegung durch Fugenverklebung · Lochung round, unregelmäßig verteilt, Durchmesser 8 mm, 15 mm and 20 mm, Lochflächenanteil ca. 6% | 0.50 | 0.44 | 0.75 | 0.64 | 0.40 | 0.22 | 0.12 |
Measured values as a table (2 measurements)
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