Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: H. Lenz, Marktübersicht schallabsorbierende Anordnungen, Ruhr Universität Bochum, 1981, Seite 133
Value from the PTB table, not verified
Saint-Gobain Isover G+H light channel ceiling, mineral fiber
G+H light channel ceiling
PTB reference data
Original description
Saint-Gobain Isover G+H light channel ceiling, mineral fiber
Material properties
Manufacturer: Saint-Gobain Isover G+H AG
Wall distance: 20 in
Measurement data
Sound absorption
Reverberation chamber (ASTM C423 / ISO 354)
NRC
0.95
derived from ISO 354 lab data
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.90 | 0.85 | 1.00 | 0.95 | 0.95 | 1.00 |
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Value from the PTB table, not verified
NRC: 0.95 (derived from ISO 354 lab data)
Measured values as a table (1 measurement)
| Build-up | NRC | 100 Hz | 125 Hz | 160 Hz | 200 Hz | 250 Hz | 315 Hz | 400 Hz | 500 Hz | 630 Hz | 800 Hz | 1000 Hz | 1250 Hz | 1600 Hz | 2000 Hz | 2500 Hz | 3150 Hz | 4000 Hz | 5000 Hz |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 500 mm · abgedeckt with Kunstseidegewebe | 0.95 | 1.00 | 0.85 | 0.87 | 0.78 | 0.83 | 0.88 | 0.98 | 1.00 | 1.03 | 0.98 | 0.96 | 0.97 | 0.95 | 0.96 | 1.00 | 0.99 | 1.00 | 0.98 |
Measured values as a table (1 measurement)
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