Plaster & sprayHigh-frequency absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Manufacturer data online at www.scherff.de
Value from the PTB table, not verified
Isover acoustic plaster
PTB reference data
Original description
Isover acoustic plaster
Material properties
Manufacturer: Saint-Gobain Isover G+H AG
Thickness: approx. 8 mm
Up to fire class: A1 (DIN 4102)
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.25
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.00 | 0.10 | 0.15 | 0.25 | 0.45 | 0.65 |
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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 |
|---|---|---|---|---|---|---|---|
| ca. 8 mm · 3,5 kg / m² / cm | 0.25 | 0.01 | 0.09 | 0.15 | 0.25 | 0.45 | 0.66 |
Measured values as a table (1 measurement)
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