Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: H. Lenz, Marktübersicht schallabsorbierende Anordnungen, Ruhr Universität Bochum, 1981, Seite 131
Value from the PTB table, not verified
Isover mineral fiber ceiling blankets SAP/P
Isover Mineralfaserdecken – SAP / P
PTB reference data
Original description
Isover mineral fiber ceiling blankets SAP/P
Material properties
Manufacturer: Saint-Gobain Isover G+H AG
Thickness: 20 mm
Wall distance: 0 mm, 50 mm
Application: ceiling
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 2 variants
αw
0.70
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.20 | 0.50 | 0.80 | 0.85 | 0.75 | 0.55 |
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| Compare | Value | |
|---|---|---|
| 50 mm | αw0.70 | |
| 0 | αw0.65 |
Weight / density: 3,4 kg / m²
Dimensions: 500 x 500 mm, 625 x 625 mm, 500 x 1000 mm, 625 x 1250 mm
Measured values as a table (2 measurements)
| Build-up | αw | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 20 mm · 3,4 kg / m² · 0 · Oberflächenbeschichtung fein porös, white | 0.65 | 0.12 | 0.18 | 0.20 | 0.35 | 0.45 | 0.65 | 0.73 | 0.95 | 0.98 | 0.95 | 0.96 | 0.98 | 0.84 | 0.80 | 0.72 | 0.62 | 0.50 |
| 20 mm · 3,4 kg / m² · 50 mm · Oberflächenbeschichtung fein porös, white | 0.70 | 0.20 | 0.22 | 0.35 | 0.56 | 0.62 | 0.80 | 0.82 | 0.83 | 0.85 | 0.87 | 0.90 | 0.80 | 0.70 | 0.72 | 0.60 | 0.53 | 0.46 |
Measured values as a table (2 measurements)
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